TW201704327A - Resin composition and molded object obtained therefrom - Google Patents

Resin composition and molded object obtained therefrom Download PDF

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TW201704327A
TW201704327A TW105109320A TW105109320A TW201704327A TW 201704327 A TW201704327 A TW 201704327A TW 105109320 A TW105109320 A TW 105109320A TW 105109320 A TW105109320 A TW 105109320A TW 201704327 A TW201704327 A TW 201704327A
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polymer
carbon atoms
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mass
meth
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TW105109320A
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TWI619758B (en
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Kazuki Kouno
Hisayuki Kuwahara
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Mitsubishi Gas Chemical Co
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/08—Homopolymers or copolymers of acrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/10—Transparent films; Clear coatings; Transparent materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

According to an embodiment, a resin composition comprising a polymer (A) comprising 45 mass% or more (meth)acrylate units (a) represented by the following formula (1), a polymer (B) comprising 60 mass% or more methyl (meth)acrylate units (b) and having a mass-average molecular weight of 5,000-20,000, and a polycarbonate-based resin (C) is provided.

Description

樹脂組成物及利用此組成物之成形體Resin composition and molded body using the same

本發明係關於樹脂組成物及利用樹脂組成物之成形體。The present invention relates to a resin composition and a molded body using the resin composition.

聚碳酸酯系樹脂由於其優良的機械強度、耐熱性、電氣特性、尺寸安定性、阻燃性、透明性等，而廣泛地使用在電氣電子及OA設備、光學媒體、汽車零件、建築構件等。Polycarbonate-based resins are widely used in electrical and electronic equipment, optical media, automotive parts, building components, etc. due to their excellent mechanical strength, heat resistance, electrical properties, dimensional stability, flame retardancy, and transparency. .

如此的聚碳酸酯系樹脂通常係利用使雙酚A(芳香族二羥化合物)與光氣直接反應之界面法、或將雙酚A與碳酸二苯酯(碳酸二酯)在熔融狀態下使其進行酯交換反應(聚縮合反應)之熔融法等而製造。Such a polycarbonate-based resin is usually obtained by an interface method in which bisphenol A (aromatic dihydroxy compound) is directly reacted with phosgene, or in a molten state by using bisphenol A and diphenyl carbonate (carbonic acid diester). It is produced by a melt method of a transesterification reaction (polycondensation reaction) or the like.

但是，獲自使用雙酚A作為芳香族二羥化合物而製造之聚碳酸酯系樹脂之成形體，例如在汽車頭燈、眼鏡鏡片、片材等戶外使用之用途中，表面硬度並不足夠。However, the molded article obtained from a polycarbonate resin produced by using bisphenol A as an aromatic dihydroxy compound is not sufficient in surface use, for example, in outdoor use such as automobile headlights, spectacle lenses, and sheets.

因此，有藉由在聚碳酸酯系樹脂之表層設置硬塗層等，使表面硬度提昇而使用之情事。Therefore, there is a case where a hard coat layer or the like is provided on the surface layer of the polycarbonate resin to increase the surface hardness.

但是，由於在表層設置硬塗層等導致製造步驟會增加1階段，故生產效率會降低。此外，在複雜形狀的成形體之情況下，設置硬塗層係為困難。However, since the manufacturing step is increased by one stage by providing a hard coat layer or the like on the surface layer, the production efficiency is lowered. Further, in the case of a molded body having a complicated shape, it is difficult to provide a hard coat layer.

因此，藉由在聚碳酸酯系樹脂摻合特定的樹脂，維持透明性同時使表面硬度提昇之研究有許多已在進行。作為摻合於聚碳酸酯系樹脂之樹脂，有許多人提出使用和聚碳酸酯系樹脂同樣為透明樹脂之丙烯酸系樹脂的例子。例如，專利文獻1及2記載：含有聚碳酸酯系樹脂與特定範圍之分子量的丙烯酸系樹脂之樹脂組成物。Therefore, many studies have been conducted to improve the transparency while maintaining the surface hardness by blending a specific resin with a polycarbonate resin. As a resin blended with a polycarbonate resin, many people have proposed an acrylic resin which is a transparent resin similarly to a polycarbonate resin. For example, Patent Documents 1 and 2 disclose a resin composition containing an acrylic resin having a polycarbonate resin and a molecular weight of a specific range.

又，有人提出摻合丙烯酸系共聚物之例子。例如，專利文獻3~7記載：含有聚碳酸酯系樹脂與(甲基)丙烯酸系共聚物之樹脂組成物。 [先前技術文獻] [專利文獻]Further, an example of blending an acrylic copolymer has been proposed. For example, Patent Documents 3 to 7 describe a resin composition containing a polycarbonate resin and a (meth)acrylic copolymer. [Prior Technical Literature] [Patent Literature]

[專利文獻1]  日本特開昭62-131056號公報 [專利文獻2]  日本特開昭63-139935號公報 [專利文獻3]  日本特開昭64-1749號公報 [專利文獻4]  日本特開2010-116501號公報 [專利文獻5]  日本特開平4-359954號公報 [專利文獻6]  日本特表2011-500914號公報 [專利文獻7]  國際公開第2013/094898號 [專利文獻8]  日本特開2014-62148號公報[Patent Document 1] Japanese Laid-Open Patent Publication No. SHO-63-139935 (Patent Document 3) Japanese Laid-Open Patent Publication No. SHO 64-1749 (Patent Document 4) [Patent Document 5] Japanese Patent Laid-Open No. Hei 4-359954 (Patent Document 6) Japanese Patent Publication No. 2011-500914 (Patent Document 7) International Publication No. 2013/094898 [Patent Document 8] Publication No. 2014-62148

[發明所欲解決之課題] 上述專利文獻1~7所提出之樹脂組成物，或為難以兼具賦予成形品充分的表面硬度與賦予透明性、或成形條件非常嚴苛，僅在有限的條件下才能兼具表面硬度及透明性之物性。又，即使對於上述專利文獻8所提出之樹脂組成物，仍尋求針對包含表面硬度、透明性等之各種特性之進一步地改善。[Problems to be Solved by the Invention] The resin composition proposed in the above Patent Documents 1 to 7 is difficult to provide sufficient surface hardness and imparting transparency to the molded article, or the molding conditions are extremely severe, and only in limited conditions The physical properties of surface hardness and transparency can be combined. Moreover, even with respect to the resin composition proposed in the above Patent Document 8, it is sought to further improve various characteristics including surface hardness, transparency, and the like.

尤其，伴隨著成形溫度愈高溫，此外在射出成形時隨著射出速度愈高速，成形體之透明性會有降低的傾向。成形溫度設為高溫、射出速度設為高速係為了生產性的提昇、薄型成形體之製造之重要的要件。In particular, as the molding temperature becomes higher, the transparency of the molded body tends to decrease as the injection speed increases at the time of injection molding. The molding temperature is set to a high temperature, and the injection speed is set to be high speed, which is an important requirement for the improvement of productivity and the manufacture of a thin molded body.

因此，本發明之目的係提供：能在廣泛的成形條件下成形，且能提供表面硬度及透明性優良的成形體之樹脂組成物。又，本發明之目的亦為提供：獲自該樹脂組成物之成形品及構成該樹脂組成物之多數的(甲基)丙烯酸系聚合物之摻混物。 [解決課題之手段]Accordingly, an object of the present invention is to provide a resin composition which can be molded under a wide range of molding conditions and which can provide a molded body excellent in surface hardness and transparency. Further, an object of the present invention is to provide a molded article obtained from the resin composition and a blend of a (meth)acrylic polymer constituting a plurality of the resin composition. [Means for solving the problem]

本案發明人為了解決上述課題進行深入研究後之結果發現：將含有具特定骨架之(甲基)丙烯酸酯單元之聚合物、及含有具特定分子量之(甲基)丙烯酸甲酯單元之聚合物之摻混物，與聚碳酸酯系樹脂混合而得的樹脂組成物，能在廣泛的成形條件下成形，且能提供表面硬度及透明性優良的成形體，乃至完成本發明。亦即本發明係如下所述。As a result of intensive studies to solve the above problems, the inventors of the present invention found that a polymer containing a (meth) acrylate unit having a specific skeleton and a polymer containing a methyl (meth) acrylate unit having a specific molecular weight are used. The blended product and the resin composition obtained by mixing with a polycarbonate resin can be molded under a wide range of molding conditions, and can provide a molded body excellent in surface hardness and transparency, and the present invention can be completed. That is, the present invention is as follows.

[1] 一種樹脂組成物，含有：聚合物(A)，含有45質量%以上之下式(1)表示之(甲基)丙烯酸酯單元(a)；聚合物(B)，含有60質量%以上之(甲基)丙烯酸甲酯單元(b)且質量平均分子量為5,000~20,000；及聚碳酸酯系樹脂(C)； [化1](1) 式(1)中， X為單鍵、或選自於由-C(R2 )(R3 )-、-C(=O)-、-O-、-OC(=O)-、-OC(=O)O-、-S-、-SO-、-SO2 -及該等之任意組合構成之群組中之二價基，在此，R2 及R3 各自獨立地為氫原子、碳數1~10之直鏈狀烷基、碳數3~10之分支狀烷基、碳數3~10之環狀烷基、碳數1~10之直鏈狀烷氧基、碳數3~10之分支狀烷氧基、碳數3~10之環狀烷氧基、苯基或苯基苯基；R2 及R3 也可互相連結而和此等所鍵結之碳原子一起形成碳數3~10之環狀烷基； R1 為氫原子或甲基； R4 及R5 各自獨立地為碳數1~10之直鏈狀烷基、碳數3~10之分支狀烷基、碳數3~10之環狀烷基、碳數1~10之直鏈狀烷氧基、碳數3~10之分支狀烷氧基、碳數3~10之環狀烷氧基、鹵素原子、苯基或苯基苯基； m為1~10之整數； p為0~4之整數； q為0~5之整數。 [2] 如[1]所記載之樹脂組成物，其中，該聚合物(A)含有50質量%以上之該式(1)表示之(甲基)丙烯酸酯單元(a)。 [3] 如[1]或[2]所記載之樹脂組成物，其中，該式(1)中，m為1~3之整數。 [4] 如[1]~[3]中任一項所記載之樹脂組成物，其中，該式(1)中，X為單鍵、-C(R2 )(R3 )-、-C(=O)-、-O-、-SO-或-SO2 -。 [4-1] 如[1]~[4]中任一項所記載之樹脂組成物，其中，X為單鍵、-C(R2 )(R3 )-、-C(=O)-、-SO-或-SO2 -； R1 為氫原子或甲基； R4 及R5 各自獨立地為甲基、甲氧基、氯基、溴基或苯基； m為1~3之整數； p為0~1之整數； q為0~2之整數。 [5] 如[1]~[4-1]中任一項所記載之樹脂組成物，其中，該式(1)中，p及q為0。 [5-1] 如[1]~[5]中任一項所記載之樹脂組成物，其中，前述聚合物(B)係由甲基丙烯酸甲酯單元及/或丙烯酸甲酯單元構成。 [6] 如[1]~[5-1]中任一項所記載之樹脂組成物，其中，該樹脂組成物中，該聚合物(A)與該聚合物(B)之合計含量為5~60質量%，該聚碳酸酯系樹脂(C)之含量為40~95質量%。 [7] 如[6]所記載之樹脂組成物，其中，該聚合物(A)與該聚合物(B)之質量比((A)/(B))為0.5/99.5~30/70。 [7-1] 如[1]~[7]中任一項所記載之樹脂組成物，藉由將如[1]~[7]中任一項所記載之樹脂組成物之材料予以熔融揉合，並於射出溫度300℃、射出速度300mm/sec、模具溫度80℃之條件下射出成型而得之厚度1.5mm之平板試驗片的霧度為12%以下。 [7-2] 如[7-1]所記載之樹脂組成物，其中，前述平板試驗片之鉛筆硬度為HB以上。 [8] 一種摻混物，包含：聚合物(A)，含有45質量%以上之下式(1)表示之(甲基)丙烯酸酯單元(a)；及聚合物(B)，含有60質量%以上之(甲基)丙烯酸甲酯單元(b)，且質量平均分子量為5,000~20,000； [化2](1) 式(1)中， X為單鍵、或選自於由-C(R2 )(R3 )-、-C(=O)-、-O-、-OC(=O)-、-OC(=O)O-、-S-、-SO-、-SO2 -及該等之任意組合構成之群組中之二價基，在此，R2 及R3 各自獨立地為氫原子、碳數1~10之直鏈狀烷基、碳數3~10之分支狀烷基、碳數3~10之環狀烷基、碳數1~10之直鏈狀烷氧基、碳數3~10之分支狀烷氧基、碳數3~10之環狀烷氧基、苯基或苯基苯基；R2 及R3 也可相互連結並和此等所鍵結之碳原子一起形成碳數3~10之環狀烷基； R1 為氫原子或甲基； R4 及R5 各自獨立地為碳數1~10之直鏈狀烷基、碳數3~10之分支狀烷基、碳數3~10之環狀烷基、碳數1~10之直鏈狀烷氧基、碳數3~10之分支狀烷氧基、碳數3~10之環狀烷氧基、鹵素原子、苯基或苯基苯基； m為1~10之整數； p為0~4之整數； q為0~5之整數。 [9] 如[8]所記載之摻混物，其中，該聚合物(A)含有50質量%以上之該式(1)表示之(甲基)丙烯酸酯單元(a)。 [10] 如[8]或[9]所記載之摻混物，其中，該式(1)中，m為1~3之整數。 [11] 如[8]~[10]中任一項所記載之摻混物，其中，該式(1)中，X為單鍵、-C(R2 )(R3 )-、-C(=O)-、-O-、-SO-或-SO2 -。 [11-1] 如[8]~[11]中任一項所記載之摻混物，其中，X為單鍵、-C(R2 )(R3 )-、-C(=O)-、-SO-或-SO2 -； R1 為氫原子或甲基； R4 及R5 各自獨立地為甲基、甲氧基、氯基、溴基或苯基； m為1~3之整數； p為0~1之整數； q為0~2之整數。 [12] 如[8]~[11-1]中任一項所記載之摻混物，其中，該式(1)中，p及q為0。 [12-1] 如[8]~[12]中任一項所記載之摻混物，其中，前述聚合物(B)係由甲基丙烯酸甲酯單元及/或丙烯酸甲酯單元構成。 [13] 如[8]~[12-1]中任一項所記載之摻混物，其中，該聚合物(A)與該聚合物(B)之質量比((A)/(B))為0.5/99.5~30/70。 [14] 一種成形體，係將如[1]~[7]中任一項所記載之樹脂組成物予以成形而得。 [14-1] 一種成形體，係使用如[1]~[7]中任一項所記載之樹脂組成物成形而得。 [發明之效果][1] A resin composition comprising: a polymer (A) containing 45 mass% or more of the (meth) acrylate unit (a) represented by the formula (1); and a polymer (B) containing 60 mass% The above methyl (meth) acrylate unit (b) and having a mass average molecular weight of 5,000 to 20,000; and a polycarbonate resin (C); (1) In the formula (1), X is a single bond or is selected from -C(R 2 )(R 3 )-, -C(=O)-, -O-, -OC(=O)- a divalent group in the group consisting of -OC(=O)O-, -S-, -SO-, -SO 2 -, and any combination thereof, wherein R 2 and R 3 are each independently a hydrogen atom, a linear alkyl group having 1 to 10 carbon atoms, a branched alkyl group having 3 to 10 carbon atoms, a cyclic alkyl group having 3 to 10 carbon atoms, a linear alkoxy group having 1 to 10 carbon atoms, a branched alkoxy group having 3 to 10 carbon atoms, a cyclic alkoxy group having 3 to 10 carbon atoms, a phenyl group or a phenylphenyl group; and R 2 and R 3 may be bonded to each other and to the carbon bonded thereto The atoms together form a cyclic alkyl group having 3 to 10 carbon atoms; R 1 is a hydrogen atom or a methyl group; and R 4 and R 5 are each independently a linear alkyl group having 1 to 10 carbon atoms and a carbon number of 3 to 10; a branched alkyl group, a cyclic alkyl group having 3 to 10 carbon atoms, a linear alkoxy group having 1 to 10 carbon atoms, a branched alkoxy group having 3 to 10 carbon atoms, and a cyclic alkane having 3 to 10 carbon atoms An oxy group, a halogen atom, a phenyl group or a phenylphenyl group; m is an integer from 1 to 10; p is an integer from 0 to 4; q is an integer from 0 to 5. [2] The resin composition according to [1], wherein the polymer (A) contains 50% by mass or more of the (meth) acrylate unit (a) represented by the formula (1). [3] The resin composition according to [1] or [2], wherein, in the formula (1), m is an integer of from 1 to 3. [4] The resin composition according to any one of [1], wherein, in the formula (1), X is a single bond, -C(R 2 )(R 3 )-, -C (=O)-, -O-, -SO- or -SO 2 -. [4-1] The resin composition according to any one of [1] to [4] wherein X is a single bond, -C(R 2 )(R 3 )-, -C(=O)- , -SO- or -SO 2 -; R 1 is a hydrogen atom or a methyl group; R 4 and R 5 are each independently methyl, methoxy, chloro, bromo or phenyl; m is 1 to 3 Integer; p is an integer from 0 to 1; q is an integer from 0 to 2. [5] The resin composition according to any one of [1], wherein, in the formula (1), p and q are 0. [5] The resin composition according to any one of [1] to [5] wherein the polymer (B) is composed of a methyl methacrylate unit and/or a methyl acrylate unit. [6] The resin composition according to any one of [1], wherein the total content of the polymer (A) and the polymer (B) is 5 in the resin composition. ~60% by mass, the content of the polycarbonate resin (C) is 40 to 95% by mass. [7] The resin composition according to [6], wherein a mass ratio ((A)/(B))) of the polymer (A) to the polymer (B) is 0.5/99.5 to 30/70. [7-1] The resin composition according to any one of [1] to [7], which is obtained by melting a material of the resin composition according to any one of [1] to [7]. The flat test piece having a thickness of 1.5 mm which was injection molded under the conditions of an injection temperature of 300 ° C, an injection speed of 300 mm/sec, and a mold temperature of 80 ° C was 12% or less. [7-2] The resin composition according to [7-1], wherein the flat test piece has a pencil hardness of HB or more. [8] A blend comprising: a polymer (A) containing 45 mass% or more of the (meth) acrylate unit (a) represented by the formula (1); and a polymer (B) containing 60 mass More than % of methyl (meth) acrylate unit (b), and the mass average molecular weight is 5,000 ~ 20,000; [Chemical 2] (1) In the formula (1), X is a single bond or is selected from -C(R 2 )(R 3 )-, -C(=O)-, -O-, -OC(=O)- a divalent group in the group consisting of -OC(=O)O-, -S-, -SO-, -SO 2 -, and any combination thereof, wherein R 2 and R 3 are each independently a hydrogen atom, a linear alkyl group having 1 to 10 carbon atoms, a branched alkyl group having 3 to 10 carbon atoms, a cyclic alkyl group having 3 to 10 carbon atoms, a linear alkoxy group having 1 to 10 carbon atoms, a branched alkoxy group having 3 to 10 carbon atoms, a cyclic alkoxy group having 3 to 10 carbon atoms, a phenyl group or a phenylphenyl group; and R 2 and R 3 may be bonded to each other and bonded to the carbon The atoms together form a cyclic alkyl group having 3 to 10 carbon atoms; R 1 is a hydrogen atom or a methyl group; and R 4 and R 5 are each independently a linear alkyl group having 1 to 10 carbon atoms and a carbon number of 3 to 10; a branched alkyl group, a cyclic alkyl group having 3 to 10 carbon atoms, a linear alkoxy group having 1 to 10 carbon atoms, a branched alkoxy group having 3 to 10 carbon atoms, and a cyclic alkane having 3 to 10 carbon atoms An oxy group, a halogen atom, a phenyl group or a phenylphenyl group; m is an integer from 1 to 10; p is an integer from 0 to 4; q is an integer from 0 to 5. [9] The blend according to the above [8], wherein the polymer (A) contains 50% by mass or more of the (meth) acrylate unit (a) represented by the formula (1). [10] The blend according to [8] or [9], wherein, in the formula (1), m is an integer of from 1 to 3. [11] The blend according to any one of [8] to [10] wherein, in the formula (1), X is a single bond, -C(R 2 )(R 3 )-, -C (=O)-, -O-, -SO- or -SO 2 -. [11] The blend of any one of [8] to [11] wherein X is a single bond, -C(R 2 )(R 3 )-, -C(=O)- , -SO- or -SO 2 -; R 1 is a hydrogen atom or a methyl group; R 4 and R 5 are each independently methyl, methoxy, chloro, bromo or phenyl; m is 1 to 3 Integer; p is an integer from 0 to 1; q is an integer from 0 to 2. [12] The blend according to any one of [8] to [11-1] wherein, in the formula (1), p and q are 0. [12] The blend according to any one of [8] to [12] wherein the polymer (B) is composed of a methyl methacrylate unit and/or a methyl acrylate unit. [13] The blend of any one of [8] to [12-1], wherein the mass ratio of the polymer (A) to the polymer (B) ((A)/(B) ) is 0.5/99.5~30/70. [14] A molded article obtained by molding the resin composition according to any one of [1] to [7]. [14-1] A molded article obtained by molding the resin composition according to any one of [1] to [7]. [Effects of the Invention]

根據本發明可提供：能在廣泛的成形條件下製造表面硬度及透明性優良的成形體之樹脂組成物。尤其，該樹脂組成物能在高速條件下射出成形故生產性會提昇。又，根據本發明可提供：獲自上述樹脂組成物之成形品及構成上述樹脂組成物之多數的(甲基)丙烯酸系聚合物之摻混物。According to the present invention, it is possible to provide a resin composition of a molded article excellent in surface hardness and transparency under a wide range of molding conditions. In particular, the resin composition can be formed by injection molding under high-speed conditions, so that productivity is improved. Moreover, according to the present invention, a molded article obtained from the resin composition and a blend of a (meth)acrylic polymer constituting a plurality of the resin composition can be provided.

以下，針對本發明之實施形態進行詳細地說明。 實施形態相關之樹脂組成物含有：聚合物(A)，含有45質量%以上之下述通式(1)表示之(甲基)丙烯酸酯單元(a)；聚合物(B)，含有60質量%以上之(甲基)丙烯酸甲酯單元(b)且質量平均分子量為5,000~20,000；及聚碳酸酯系樹脂(C)。Hereinafter, embodiments of the present invention will be described in detail. The resin composition according to the embodiment contains the polymer (A), which contains 45 mass% or more of the (meth) acrylate unit (a) represented by the following formula (1); and the polymer (B) contains 60 mass. % or more of the methyl (meth) acrylate unit (b) and having a mass average molecular weight of 5,000 to 20,000; and a polycarbonate resin (C).

本實施形態之樹脂組成物可維持聚碳酸酯系樹脂所固有之優良的透明性，同時由於含有(甲基)丙烯酸系聚合物而可製造具有優良的表面硬度之成形體。 如上所述，在先前技術之組合聚碳酸酯系樹脂與其他樹脂而得的樹脂組成物中，隨著成形溫度愈高溫(約280℃以上)，此外在射出成形時隨著射出速度愈高速(約150mm/sec以上)，成形體之透明性會有降低的傾向。但是，即使在將本實施形態之樹脂組成物在高溫條件下成形時，此外在射出成形時即使射出速度為高速，仍可得到透明性優良的成形體。The resin composition of the present embodiment can maintain excellent transparency inherent to the polycarbonate resin, and can produce a molded body having excellent surface hardness by containing a (meth)acrylic polymer. As described above, in the resin composition obtained by combining the polycarbonate resin and the other resin in the prior art, the higher the molding temperature (about 280 ° C or higher), and the higher the injection speed at the time of injection molding ( When the thickness is about 150 mm/sec or more, the transparency of the molded body tends to decrease. However, even when the resin composition of the present embodiment is molded under high temperature conditions, a molded article having excellent transparency can be obtained even when the injection speed is high at the time of injection molding.

如上述地得到透明性高的成形品之理由並不確定，但據認為在後述通式(1)表示之(甲基)丙烯酸酯單元(a)中，酯部分之苯環具有使成形體之透明性提昇之作用。尤其據認為具有2個以上苯環之(甲基)丙烯酸酯單元，由於和聚碳酸酯系樹脂(C)之相容性優良，以致可在廣範圍之成形條件中維持成形體的透明性。Though the reason for obtaining a molded article having high transparency as described above is not determined, it is considered that in the (meth) acrylate unit (a) represented by the following formula (1), the benzene ring of the ester moiety has a molded body. The role of transparency improvement. In particular, it is considered that the (meth) acrylate unit having two or more benzene rings is excellent in compatibility with the polycarbonate resin (C), so that the transparency of the molded body can be maintained in a wide range of molding conditions.

另一方面，本實施形態之樹脂組成物具有優良的表面硬度，據認為係源自摻合一定量之就表面硬度觀點優良的(甲基)丙烯酸甲酯單元(b)。此效果亦無論其成形條件皆可獲得。因此，根據本實施形態之樹脂組成物，可得到在廣泛條件下兼具高透明性與高表面硬度之成形品。由於可在廣泛條件下獲得良好的成形品，能以高效率且低成本地製造成形品。本實施形態之樹脂組成物可使用於光學媒體用材料等之要求透明性的用途、或框體等之要求顯色性的用途等寬廣的領域。On the other hand, the resin composition of the present embodiment has an excellent surface hardness, and it is considered to be derived from a methyl (meth) acrylate unit (b) excellent in surface hardness in terms of blending a certain amount. This effect is also available regardless of the forming conditions. Therefore, according to the resin composition of the present embodiment, a molded article having both high transparency and high surface hardness under a wide range of conditions can be obtained. Since a good molded article can be obtained under a wide range of conditions, a molded article can be produced with high efficiency and at low cost. The resin composition of the present embodiment can be used in a wide range of fields such as applications requiring transparency for optical media materials and the like, and applications requiring color rendering such as frames.

以下，按順序針對本實施形態之樹脂組成物所含的各成分進行說明。 [聚合物(A)] 構成本實施形態之樹脂組成物中的成分之聚合物(A)含有45質量%以上之後述通式(1)表示之(甲基)丙烯酸酯單元(a)。以下進行說明。Hereinafter, each component contained in the resin composition of the present embodiment will be described in order. [Polymer (A)] The polymer (A) constituting the component in the resin composition of the present embodiment contains 45% by mass or more of the (meth) acrylate unit (a) represented by the above formula (1). The following is explained.

本實施形態中，(甲基)丙烯酸酯單元(a)係以下述通式(1)表示。另外，本說明書中，將丙烯酸酯單元與甲基丙烯酸酯單元合併稱為(甲基)丙烯酸酯單元。又，本說明書中，聚合物之表現方式亦包含共聚物之情況。In the present embodiment, the (meth) acrylate unit (a) is represented by the following formula (1). Further, in the present specification, the acrylate unit and the methacrylate unit are collectively referred to as a (meth) acrylate unit. Further, in the present specification, the manner in which the polymer is expressed also includes the case of the copolymer.

[化3](1)[Chemical 3] (1)

前述通式(1)表示之(甲基)丙烯酸酯單元(a)在結構上具有下述特徵：在酯部分具有2個以上之苯環，且酯部位之氧原子不與苯環直接鍵結。(甲基)丙烯酸酯單元(a)和聚碳酸酯系樹脂(C)之相容性優良，故對得到的成形體之透明性的提昇有貢獻。The (meth) acrylate unit (a) represented by the above formula (1) is structurally characterized in that it has two or more benzene rings in the ester moiety, and the oxygen atom of the ester moiety is not directly bonded to the benzene ring. . Since the (meth) acrylate unit (a) and the polycarbonate resin (C) have excellent compatibility, they contribute to the improvement of the transparency of the obtained molded body.

前述通式(1)中，R1 為氫原子或甲基，宜為甲基。In the above formula (1), R 1 is a hydrogen atom or a methyl group, and is preferably a methyl group.

X為單鍵、或選自於由-C(R2 )(R3 )-、-C(=O)-、-O-、-OC(=O)-、-OC(=O)O-、-S-、-SO-、-SO2 -及該等之任意組合構成之群組中之二價基，R2 及R3 各自獨立地為氫原子、碳數1~10之直鏈狀烷基、碳數3~10之分支狀烷基、碳數3~10之環狀烷基、碳數1~10之直鏈狀烷氧基、碳數3~10之分支狀烷氧基、碳數3~10之環狀烷氧基、苯基或苯基苯基。該等亦可具有取代基，作為取代基，例如可列舉：碳數1~10之直鏈狀烷基、碳數3~10之分支狀烷基、碳數3~10之環狀烷基、碳數1~10之直鏈狀烷氧基、碳數3~10之分支狀烷氧基、碳數3~10之環狀烷氧基、鹵素原子等。X is a single bond, or is selected from -C(R 2 )(R 3 )-, -C(=O)-, -O-, -OC(=O)-, -OC(=O)O- And a divalent group in the group consisting of -S-, -SO-, -SO 2 - and any combination thereof, and R 2 and R 3 are each independently a hydrogen atom and a linear chain having a carbon number of 1 to 10. An alkyl group, a branched alkyl group having 3 to 10 carbon atoms, a cyclic alkyl group having 3 to 10 carbon atoms, a linear alkoxy group having 1 to 10 carbon atoms, a branched alkoxy group having 3 to 10 carbon atoms, A cyclic alkoxy group having a carbon number of 3 to 10, a phenyl group or a phenylphenyl group. These may have a substituent, and examples of the substituent include a linear alkyl group having 1 to 10 carbon atoms, a branched alkyl group having 3 to 10 carbon atoms, and a cyclic alkyl group having 3 to 10 carbon atoms. The linear alkoxy group having 1 to 10 carbon atoms, the branched alkoxy group having 3 to 10 carbon atoms, the cyclic alkoxy group having 3 to 10 carbon atoms, and a halogen atom.

X宜為單鍵、-C(R2 )(R3 )-、-C(=O)-、-O-、-SO-或-SO2 -，為單鍵更佳。R2 及R3 宜各自獨立地選擇自氫原子、甲基、甲氧基、苯基及苯基苯基，為氫原子更佳。 R2 及R3 也可互相連結而和此等所鍵結之碳原子一起形成碳數3~10之環狀烷基。X is preferably a single bond, -C(R 2 )(R 3 )-, -C(=O)-, -O-, -SO- or -SO 2 -, more preferably a single bond. R 2 and R 3 are each independently selected from a hydrogen atom, a methyl group, a methoxy group, a phenyl group, and a phenylphenyl group, and more preferably a hydrogen atom. R 2 and R 3 may be bonded to each other to form a cyclic alkyl group having 3 to 10 carbon atoms together with these bonded carbon atoms.

R4 及R5 各自獨立地為碳數1~10之直鏈狀烷基、碳數3~10之分支狀烷基、碳數3~10之環狀烷基、碳數1~10之直鏈狀烷氧基、碳數3~10之分支狀烷氧基、碳數3~10之環狀烷氧基、鹵素原子、苯基或苯基苯基。該等亦可具有取代基，作為取代基，例如可列舉：碳數1~10之直鏈狀烷基、碳數3~10之分支狀烷基、碳數3~10之環狀烷基、碳數1~10之直鏈狀烷氧基、碳數3~10之分支狀烷氧基、碳數3~10之環狀烷氧基、鹵素原子等。 R4 及R5 宜各自獨立地選擇自甲基、甲氧基、氯基、溴基及苯基，為苯基更佳。R 4 and R 5 are each independently a linear alkyl group having 1 to 10 carbon atoms, a branched alkyl group having 3 to 10 carbon atoms, a cyclic alkyl group having 3 to 10 carbon atoms, and a straight carbon number of 1 to 10. a chain alkoxy group, a branched alkoxy group having 3 to 10 carbon atoms, a cyclic alkoxy group having 3 to 10 carbon atoms, a halogen atom, a phenyl group or a phenylphenyl group. These may have a substituent, and examples of the substituent include a linear alkyl group having 1 to 10 carbon atoms, a branched alkyl group having 3 to 10 carbon atoms, and a cyclic alkyl group having 3 to 10 carbon atoms. The linear alkoxy group having 1 to 10 carbon atoms, the branched alkoxy group having 3 to 10 carbon atoms, the cyclic alkoxy group having 3 to 10 carbon atoms, and a halogen atom. R 4 and R 5 are each independently selected from a methyl group, a methoxy group, a chloro group, a bromo group and a phenyl group, and more preferably a phenyl group.

m為1~10之整數，宜為1~3之整數，為1更佳。m is an integer from 1 to 10, preferably an integer from 1 to 3, preferably 1 is preferred.

p為0~4之整數，宜為0~1之整數，為0更佳。p is an integer from 0 to 4, preferably an integer from 0 to 1, preferably 0.

q為0~5之整數，宜為0~2之整數，為0更佳。q is an integer from 0 to 5, preferably an integer from 0 to 2, preferably 0.

作為構成前述通式(1)表示之(甲基)丙烯酸酯單元之(甲基)丙烯酸酯，例如可列舉：(甲基)丙烯酸-4-苯基苄酯、(甲基)丙烯酸-3-苯基苄酯、(甲基)丙烯酸-2-苯基苄酯、(甲基)丙烯酸-4-聯苯苄酯、(甲基)丙烯酸-3-聯苯苄酯、(甲基)丙烯酸-2-聯苯苄酯、(甲基)丙烯酸-4-苄基苄酯、(甲基)丙烯酸-3-苄基苄酯、(甲基)丙烯酸-2-苄基苄酯、(甲基)丙烯酸-4-苯乙基苄酯、(甲基)丙烯酸-3-苯乙基苄酯、(甲基)丙烯酸-2-苯乙基苄酯、(甲基)丙烯酸-4-苯乙基苯乙酯、(甲基)丙烯酸-3-苯乙基苯乙酯、(甲基)丙烯酸-2-苯乙基苯乙酯、(甲基)丙烯酸-4-(4-甲基苯基)苄酯、(甲基)丙烯酸-3-(4-甲基苯基)苄酯、(甲基)丙烯酸-2-(4-甲基苯基)苄酯、(甲基)丙烯酸-4-(4-甲氧基苯基)苄酯、(甲基)丙烯酸-3-(4-甲氧基苯基)苄酯、(甲基)丙烯酸-2-(4-甲氧基苯基)苄酯、(甲基)丙烯酸-4-(4-溴苯基)苄酯、(甲基)丙烯酸-3-(4-溴苯基)苄酯、(甲基)丙烯酸-2-(4-溴苯基)苄酯、(甲基)丙烯酸-4-苯甲醯基苄酯、(甲基)丙烯酸-3-苯甲醯基苄酯、(甲基)丙烯酸-2-苯甲醯基苄酯、(甲基)丙烯酸-4-(苯基亞磺醯基)苄酯、(甲基)丙烯酸-3-(苯基亞磺醯基)苄酯、(甲基)丙烯酸-2-(苯基亞磺醯基)苄酯、(甲基)丙烯酸-4-(苯基磺醯基)苄酯、(甲基)丙烯酸-3-(苯基磺醯基)苄酯、(甲基)丙烯酸-2-(苯基磺醯基)苄酯、(甲基)丙烯酸-4-((苯氧基羰基)氧基)苄酯、(甲基)丙烯酸-3-((苯氧基羰基)氧基)苄酯、(甲基)丙烯酸-2-((苯氧基羰基)氧基)苄酯、苯甲酸-4-(((甲基)丙烯醯氧基)甲基)苯酯、苯甲酸-3-(((甲基)丙烯醯氧基)甲基)苯酯、苯甲酸-2-(((甲基)丙烯醯氧基)甲基)苯酯、4-(((甲基)丙烯醯氧基)甲基)苯甲酸苯酯、3-(((甲基)丙烯醯氧基)甲基)苯甲酸苯酯、2-(((甲基)丙烯醯氧基)甲基)苯甲酸苯酯、(甲基)丙烯酸-4-(1-苯基環己基)苄酯、(甲基)丙烯酸-3-(1-苯基環己基)苄酯、(甲基)丙烯酸-2-(1-苯基環己基)苄酯、(甲基)丙烯酸-4-苯氧基苄酯、(甲基)丙烯酸-3-苯氧基苄酯、(甲基)丙烯酸-2-苯氧基苄酯、(甲基)丙烯酸-4-(苯硫基)苄酯、(甲基)丙烯酸-3-(苯硫基)苄酯、(甲基)丙烯酸-2-(苯硫基)苄酯或甲基丙烯酸-3-甲基-4-(2-甲基苯基)苄酯。該等可使用單獨1種或將2種以上組合使用。該等之中，宜為(甲基)丙烯酸-4-苯基苄酯、(甲基)丙烯酸-3-苯基苄酯、(甲基)丙烯酸-2-苯基苄酯、(甲基)丙烯酸-4-聯苯苄酯、(甲基)丙烯酸-3-聯苯苄酯、(甲基)丙烯酸-2-聯苯苄酯、(甲基)丙烯酸-4-苄基苄酯、(甲基)丙烯酸-4-苯氧基苄酯、或(甲基)丙烯酸-4-(苯基磺醯基)苄酯，為(甲基)丙烯酸-4-苯基苄酯、(甲基)丙烯酸-3-苯基苄酯或(甲基)丙烯酸-2-苯基苄酯更佳。Examples of the (meth) acrylate constituting the (meth) acrylate unit represented by the above formula (1) include (4-) benzyl (meth) acrylate and (meth) acrylate -3-. Phenylbenzyl ester, 2-phenylbenzyl (meth)acrylate, 4-biphenylbenzyl (meth)acrylate, 3-biphenylbenzyl (meth)acrylate, (meth)acrylic acid- 2-biphenylbenzyl ester, 4-benzyl benzyl (meth) acrylate, 3-benzyl benzyl (meth) acrylate, 2-benzyl benzyl (meth) acrylate, (methyl) 4-Phenylethyl benzyl acrylate, 3-phenylethyl benzyl (meth) acrylate, 2-phenylethyl benzyl (meth) acrylate, 4-phenylethyl benzene (meth) acrylate Ethyl ester, 3-phenylethyl phenethyl (meth)acrylate, 2-phenylethyl phenethyl (meth)acrylate, 4-(4-methylphenyl)benzyl (meth)acrylate Ester, 3-(4-methylphenyl)benzyl (meth)acrylate, 2-(4-methylphenyl)benzyl (meth)acrylate, 4-(4) -Methoxyphenyl)benzyl ester, 3-(4-methoxyphenyl)benzyl (meth)acrylate, 2-(4-methoxyphenyl)benzyl (meth)acrylate, 4-(4-bromophenyl)benzyl (meth)acrylate, 3-(meth)acrylate 4-bromophenyl)benzyl ester, 2-(4-bromophenyl)benzyl (meth)acrylate, 4-benzylidenebenzyl (meth)acrylate, (meth)acrylic acid-3- Benzylbenzyl benzyl ester, 2-benzylidene benzyl (meth)acrylate, 4-(phenylsulfinyl)benzyl (meth)acrylate, -3-(meth)acrylate Phenylsulfinyl)benzyl ester, 2-(phenylsulfinyl)benzyl (meth)acrylate, 4-(phenylsulfonyl)benzyl (meth)acrylate, (methyl) )-3-(phenylsulfonyl)benzyl acrylate, 2-(phenylsulfonyl)benzyl (meth)acrylate, 4-((phenoxycarbonyl)oxy (meth)acrylate Benzyl ester, 3-((phenoxycarbonyl)oxy)benzyl (meth)acrylate, 2-((phenoxycarbonyl)oxy)benzyl (meth)acrylate, benzoic acid-4 -(((Meth)propenyloxy)methyl)phenyl ester, benzoic acid-3-(((meth)propenyloxy)methyl)phenyl ester, benzoic acid-2-(((methyl) Acetyleneoxy)methyl)phenyl ester, 4-(((meth)propenyloxy)methyl)benzoic acid phenyl ester, 3-((((((((((((((((()))))) Phenyl formate, phenyl 2-(((meth)propenyloxy)methyl)benzoate, 4-(1-phenylcyclohexyl)benzyl (meth)acrylate 3-(1-phenylcyclohexyl)benzyl (meth)acrylate, 2-(1-phenylcyclohexyl)benzyl (meth)acrylate, 4-phenoxybenzyl (meth)acrylate Ester, 3-phenoxybenzyl (meth)acrylate, 2-phenoxybenzyl (meth)acrylate, 4-(phenylthio)benzyl (meth)acrylate, (methyl) 3-(phenylthio)benzyl acrylate, 2-(phenylthio)benzyl (meth)acrylate or 3-methyl-4-(2-methylphenyl)benzyl methacrylate. These may be used alone or in combination of two or more. Among these, it is preferably 4-phenylbenzyl (meth)acrylate, 3-phenylbenzyl (meth)acrylate, 2-phenylbenzyl (meth)acrylate, (methyl) 4-Benzyl benzyl acrylate, 3-biphenyl benzyl (meth) acrylate, 2-biphenyl benzyl (meth) acrylate, 4-benzyl benzyl (meth) acrylate, (A) 4-phenoxybenzyl acrylate or 4-(phenylsulfonyl)benzyl (meth)acrylate, 4-phenylbenzyl (meth)acrylate, (meth)acrylic acid More preferably, 3-phenylbenzyl ester or 2-phenylbenzyl (meth)acrylate.

在本實施形態的聚合物(A)中，通式(1)表示之(甲基)丙烯酸酯單元(a)相對於該聚合物(A)之整體構成單元，為含有45質量%以上的比例，宜含有50質量%以上的比例，含有60質量%以上的比例更佳，含有80質量%以上的比例特佳，含有90質量%以上的比例最佳。聚合物(A)係為了改善後述聚合物(B)與聚碳酸酯系樹脂(C)之相容性所必須添加，而此相容性之改善依存於聚合物(A)中(甲基)丙烯酸酯單元(a)的比例。因此，聚合物(A)中的(甲基)丙烯酸酯單元(a)的比例宜為45~99質量%，為50~99質量%更佳，為60~97質量%特佳。 聚合物(A)中的(甲基)丙烯酸酯單元(a)的比例若為45質量%以上，則會充分地改善聚合物(B)與聚碳酸酯系樹脂(C)之相容性，並維持聚碳酸酯系樹脂(C)之透明性。另一方面，為了抑制熱分解亦可共聚合後述之其他單體，故聚合物(A)中的(甲基)丙烯酸酯單元(a)的比例宜為99質量%以下。In the polymer (A) of the present embodiment, the (meth) acrylate unit (a) represented by the formula (1) is contained in an overall composition of the polymer (A), and is contained in a ratio of 45 mass% or more. It is preferable to contain a ratio of 50% by mass or more, more preferably 60% by mass or more, more preferably 80% by mass or more, and most preferably 90% by mass or more. The polymer (A) must be added in order to improve the compatibility between the polymer (B) and the polycarbonate resin (C) described later, and the improvement in compatibility depends on the polymer (A) (methyl). The ratio of the acrylate unit (a). Therefore, the ratio of the (meth) acrylate unit (a) in the polymer (A) is preferably from 45 to 99% by mass, more preferably from 50 to 99% by mass, particularly preferably from 60 to 97% by mass. When the ratio of the (meth) acrylate unit (a) in the polymer (A) is 45% by mass or more, the compatibility between the polymer (B) and the polycarbonate resin (C) is sufficiently improved. The transparency of the polycarbonate resin (C) is maintained. On the other hand, in order to suppress thermal decomposition, it is also possible to copolymerize other monomers described later, and therefore the ratio of the (meth) acrylate unit (a) in the polymer (A) is preferably 99% by mass or less.

聚合物(A)亦可因應需要更以55質量%以下的比例共聚合源自其他單體(以下有時稱為成分(c))之構成單元而進行製造，宜為以50質量%以下的比例，為40質量%以下的比例更佳，為20質量%以下的比例特佳，為10質量%以下的比例最佳。成分(c)只要對樹脂組成物之特性無不良影響則無特別限制，例如可列舉：甲基丙烯酸甲酯、甲基丙烯酸乙酯、甲基丙烯酸丁酯、甲基丙烯酸丙酯、甲基丙烯酸-2-乙基己酯等之甲基丙烯酸酯類；丙烯酸甲酯、丙烯酸乙酯、丙烯酸丁酯、丙烯酸丙酯、丙烯酸-2-乙基己酯、丙烯酸環氧丙酯等之丙烯酸酯類；丙烯腈、甲基丙烯腈等之氰化乙烯系單體；丁二烯、異戊二烯、二甲基丁二烯等之二烯系單體；乙烯基甲醚、乙烯基***等之乙烯基醚系單體；乙酸乙烯酯、丁酸乙烯酯等之羧酸系乙烯酯單體；乙烯、丙烯、異丁烯等之烯烴系單體；丙烯酸、甲基丙烯酸、馬來酸、伊康酸等之乙烯系不飽和羧酸單體；氯乙烯、偏二氯乙烯等之鹵化乙烯系單體；馬來醯亞胺、N-苯基馬來醯亞胺、N-環己基馬來醯亞胺、N-甲基馬來醯亞胺等之馬來醯亞胺系單體；(甲基)丙烯酸烯丙酯、二乙烯苯、二甲基丙烯酸-1,3-丁烯酯等之交聯劑。該等之中，宜為甲基丙烯酸酯、丙烯酸酯或氰化乙烯系單體，為甲基丙烯酸酯或丙烯酸酯更佳。該等單體可單獨使用1種或將2種以上組合使用。The polymer (A) may be produced by copolymerizing a constituent unit derived from another monomer (hereinafter sometimes referred to as component (c)) in a ratio of 55% by mass or less, preferably 50% by mass or less. The ratio is preferably 40% by mass or less, more preferably 20% by mass or less, and most preferably 10% by mass or less. The component (c) is not particularly limited as long as it does not adversely affect the properties of the resin composition, and examples thereof include methyl methacrylate, ethyl methacrylate, butyl methacrylate, propyl methacrylate, and methacrylic acid. a methacrylate such as 2-ethylhexyl ester; an acrylate such as methyl acrylate, ethyl acrylate, butyl acrylate, propyl acrylate, 2-ethylhexyl acrylate or propylene acrylate. a vinyl cyanide monomer such as acrylonitrile or methacrylonitrile; a diene monomer such as butadiene, isoprene or dimethylbutadiene; vinyl methyl ether or vinyl ether; Vinyl ether monomer; carboxylic acid vinyl ester monomer such as vinyl acetate or vinyl butyrate; olefin monomer such as ethylene, propylene or isobutylene; acrylic acid, methacrylic acid, maleic acid, and itaconic acid Ethylene-based unsaturated carboxylic acid monomer; halogenated vinyl monomer such as vinyl chloride or vinylidene chloride; maleic imine, N-phenyl maleimide, N-cyclohexylmala a maleidinide monomer such as an amine or N-methylmaleimide; (meth)acrylic acid Esters, divinyl benzene, 1,3-butylene dimethacrylate and the like of a crosslinking agent. Among these, methacrylate, acrylate or vinyl cyanide monomer is preferred, and methacrylate or acrylate is more preferred. These monomers may be used alone or in combination of two or more.

聚合物(A)為將(甲基)丙烯酸酯單元(a)與源自成分(c)之構成單元共聚合而得者時，源自成分(c)之構成單元相對於聚合物(A)宜含有0.1~5質量%的比例，含有0.5~4質量%的比例更佳，含有1~3質量%的比例特佳。When the polymer (A) is obtained by copolymerizing a (meth) acrylate unit (a) and a constituent unit derived from the component (c), the constituent unit derived from the component (c) is relative to the polymer (A). It is preferable to contain a ratio of 0.1 to 5% by mass, a ratio of 0.5 to 4% by mass, and a ratio of 1 to 3% by mass.

聚合物(A)之質量平均分子量宜為50,000~5,000,000，為80,000~3,000,000更佳，為100,000~2,000,000特佳。質量平均分子量為50,000~5,000,000時，和聚碳酸酯系樹脂(C)之相容性良好，就機械物性、表面硬度之觀點亦為理想。The mass average molecular weight of the polymer (A) is preferably from 50,000 to 5,000,000, more preferably from 80,000 to 3,000,000, and particularly preferably from 100,000 to 2,000,000. When the mass average molecular weight is 50,000 to 5,000,000, the compatibility with the polycarbonate resin (C) is good, and it is also preferable from the viewpoint of mechanical properties and surface hardness.

用以得到本實施形態中的聚合物(A)之聚合方法並無特別限制，例如可使用：乳化聚合法、懸浮聚合法、溶液聚合法、塊狀聚合法等公知的方法。宜為懸浮聚合法、或塊狀聚合法，為懸浮聚合法更佳。又，可因應需要適當地添加聚合所必須的添加劑等，作為添加劑，例如可列舉：聚合起始劑、乳化劑、分散劑、鏈轉移劑。The polymerization method for obtaining the polymer (A) in the present embodiment is not particularly limited, and for example, a known method such as an emulsion polymerization method, a suspension polymerization method, a solution polymerization method, or a bulk polymerization method can be used. It is preferably a suspension polymerization method or a bulk polymerization method, which is more preferably a suspension polymerization method. In addition, an additive or the like necessary for the polymerization may be appropriately added as needed, and examples of the additive include a polymerization initiator, an emulsifier, a dispersant, and a chain transfer agent.

聚合溫度依聚合的單體之結構及組成、聚合起始劑等之添加劑而異，宜為50℃~150℃，為70℃~130℃更佳。另外，亦可用多階段昇溫進行聚合。The polymerization temperature varies depending on the structure and composition of the polymerized monomer, and additives such as a polymerization initiator, and is preferably from 50 ° C to 150 ° C, more preferably from 70 ° C to 130 ° C. Alternatively, the polymerization can be carried out by multistage heating.

聚合時間依聚合方法、聚合的單體之結構及組成、聚合起始劑等之添加劑而異，宜在目標溫度1小時~8小時，為2小時~6小時更佳。另外，昇溫至目標溫度的時間會再加到前述聚合時間中。The polymerization time varies depending on the polymerization method, the structure and composition of the polymerized monomer, and the additives such as the polymerization initiator. It is preferably from 1 hour to 8 hours at the target temperature, preferably from 2 hours to 6 hours. In addition, the time for raising the temperature to the target temperature is added to the aforementioned polymerization time.

反應壓力依聚合方法、聚合的單體之結構及組成等而異，宜在0MPa(常壓)~3MPa聚合，在0MPa(常壓)~1MPa聚合更佳。The reaction pressure varies depending on the polymerization method, the structure and composition of the polymerized monomer, and is preferably polymerized at 0 MPa (normal pressure) to 3 MPa, and more preferably at 0 MPa (normal pressure) to 1 MPa.

[聚合物(B)] 本實施形態中的聚合物(B)含有60質量%以上之(甲基)丙烯酸甲酯單元(b)，且質量平均分子量為5,000~20,000。[Polymer (B)] The polymer (B) in the present embodiment contains 60% by mass or more of the methyl (meth) acrylate unit (b), and has a mass average molecular weight of 5,000 to 20,000.

(甲基)丙烯酸甲酯單元(b)相對於聚合物(B)之整體構成單元之含有率為60質量%以上，宜為80質量%以上，為90質量%以上更佳，為95質量%以上再更佳。The content of the methyl (meth) acrylate unit (b) relative to the polymer (B) is 60% by mass or more, preferably 80% by mass or more, more preferably 90% by mass or more, and 95% by mass. The above is even better.

又，聚合物(B)中(甲基)丙烯酸甲酯單元(b)之含有率的上限宜在99.5質量%以下，在99質量%以下更佳。聚合物(B)宜除了源自鏈轉移劑等添加劑之構成單元，僅由(甲基)丙烯酸甲酯單元(b)構成，僅由甲基丙烯酸甲酯單元及丙烯酸甲酯單元之組合構成最佳。Further, the upper limit of the content ratio of the methyl (meth) acrylate unit (b) in the polymer (B) is preferably 99.5% by mass or less, and more preferably 99% by mass or less. The polymer (B) is preferably composed of only a (meth)acrylic acid methyl ester unit (b) except for a constituent unit derived from an additive such as a chain transfer agent, and is composed only of a combination of a methyl methacrylate unit and a methyl acrylate unit. good.

聚合物(B)中(甲基)丙烯酸甲酯單元(b)之含有率若在上述範圍內，可得到表面硬度優良的成形品。When the content rate of the methyl (meth) acrylate unit (b) in the polymer (B) is within the above range, a molded article excellent in surface hardness can be obtained.

聚合物(B)亦可含有40質量%以下之範圍之源自其他單體之構成單元，宜含有20質量%以下之範圍，含有10質量%以下之範圍更佳，含有5質量%以下之範圍再更佳。源自其他之構成單元若為源自能與(甲基)丙烯酸甲酯共聚合之單體之構成單元即可，宜為源自α,β-不飽和單體之構成單元。The polymer (B) may contain a constituent unit derived from another monomer in a range of 40% by mass or less, preferably 20% by mass or less, more preferably 10% by mass or less, and 5% by mass or less. Better again. The constituent unit derived from the other may be a constituent unit derived from a monomer copolymerizable with methyl (meth)acrylate, and is preferably a constituent unit derived from an α,β-unsaturated monomer.

作為該單體，例如可列舉：甲基丙烯酸乙酯、甲基丙烯酸丁酯、甲基丙烯酸-2-乙基己酯等之甲基丙烯酸烷酯類；丙烯酸乙酯、丙烯酸丁酯、丙烯酸-2-乙基己酯等之丙烯酸烷酯類；甲基丙烯酸苯酯、甲基丙烯酸苄酯、丙烯酸苯酯、丙烯酸苄酯等之(甲基)丙烯酸芳香酯類；苯乙烯、α-甲基苯乙烯、乙烯基甲苯等之芳香族乙烯系化合物；丙烯腈、甲基丙烯腈等之氰化乙烯系化合物。該等可單獨使用1種或將2種以上併用。Examples of the monomer include alkyl methacrylates such as ethyl methacrylate, butyl methacrylate, and 2-ethylhexyl methacrylate; ethyl acrylate, butyl acrylate, and acrylic acid. Alkyl acrylates such as 2-ethylhexyl ester; (meth)acrylic acid aromatic esters such as phenyl methacrylate, benzyl methacrylate, phenyl acrylate, benzyl acrylate; styrene, α-methyl An aromatic vinyl compound such as styrene or vinyl toluene; or a vinyl cyanide compound such as acrylonitrile or methacrylonitrile. These may be used alone or in combination of two or more.

該等之中宜為丙烯酸乙酯、丙烯酸丁酯、丙烯酸-2-乙基己酯等之丙烯酸烷酯類、或苯乙烯。Among these, an alkyl acrylate such as ethyl acrylate, butyl acrylate or 2-ethylhexyl acrylate or styrene is preferable.

聚合物(B)之質量平均分子量(Mw)為5,000以上，宜為7,000以上，為9,000以上更佳。The mass average molecular weight (Mw) of the polymer (B) is 5,000 or more, preferably 7,000 or more, more preferably 9,000 or more.

聚合物(B)之Mw若為5,000以上，得到的成形品可獲得優良的表面硬度。聚合物(B)之Mw若未達5,000，由於聚合物(B)之玻璃轉移溫度會降低，故得到的成形品中有時會有表面硬度之提昇效果降低的情況。When the Mw of the polymer (B) is 5,000 or more, the obtained molded article can obtain excellent surface hardness. When the Mw of the polymer (B) is less than 5,000, the glass transition temperature of the polymer (B) is lowered, and the effect of improving the surface hardness may be lowered in the obtained molded article.

又，聚合物(B)之Mw為20,000以下，宜為18,000以下，為13,000以下更佳，為10,000以下最佳。Further, the Mw of the polymer (B) is 20,000 or less, preferably 18,000 or less, more preferably 13,000 or less, and most preferably 10,000 or less.

聚合物(B)之Mw若為20,000以下，和聚碳酸酯(C)之相容性良好，且表面硬度之提昇效果優良。When the Mw of the polymer (B) is 20,000 or less, the compatibility with the polycarbonate (C) is good, and the effect of improving the surface hardness is excellent.

用以得到聚合物(B)之聚合方法並無特別限制，例如可使用：乳化聚合法、懸浮聚合法、溶液聚合法、塊狀聚合法等公知的方法。宜為懸浮聚合法、或塊狀聚合法，為懸浮聚合法更佳。又，可因應需要適當地添加聚合所必須的添加劑等，作為添加劑，例如可列舉：聚合起始劑、乳化劑、分散劑、鏈轉移劑。The polymerization method for obtaining the polymer (B) is not particularly limited, and for example, a known method such as an emulsion polymerization method, a suspension polymerization method, a solution polymerization method, or a bulk polymerization method can be used. It is preferably a suspension polymerization method or a bulk polymerization method, which is more preferably a suspension polymerization method. In addition, an additive or the like necessary for the polymerization may be appropriately added as needed, and examples of the additive include a polymerization initiator, an emulsifier, a dispersant, and a chain transfer agent.

聚合溫度依聚合的單體之結構及組成、聚合起始劑等之添加劑而異，宜為50℃~150℃，為70℃~130℃更佳。另外，聚合以多階段昇溫進行亦無妨。The polymerization temperature varies depending on the structure and composition of the polymerized monomer, and additives such as a polymerization initiator, and is preferably from 50 ° C to 150 ° C, more preferably from 70 ° C to 130 ° C. In addition, the polymerization may be carried out by heating at a plurality of stages.

聚合時間依聚合方法、聚合的單體之結構及組成、聚合起始劑等之添加劑而異，宜在目標溫度1小時~8小時，為2小時~6小時更佳。另外，昇溫至目標溫度的時間會再加到前述聚合時間中。The polymerization time varies depending on the polymerization method, the structure and composition of the polymerized monomer, and the additives such as the polymerization initiator. It is preferably from 1 hour to 8 hours at the target temperature, preferably from 2 hours to 6 hours. In addition, the time for raising the temperature to the target temperature is added to the aforementioned polymerization time.

反應壓力依聚合方法、聚合的單體之結構及組成等而異，宜在0MPa(常壓)~3MPa聚合，在0MPa(常壓)~1MPa聚合更佳。The reaction pressure varies depending on the polymerization method, the structure and composition of the polymerized monomer, and is preferably polymerized at 0 MPa (normal pressure) to 3 MPa, and more preferably at 0 MPa (normal pressure) to 1 MPa.

[聚碳酸酯系樹脂(C)] 聚碳酸酯系樹脂(C)若為分子主鏈中含有碳酸酯鍵，亦即具有-[O-R-OCO]-單元者則無特別限制。式中的R為脂肪族基、芳香族基、或脂肪族基與芳香族基兩者均可。其中，使用雙酚A等之芳香族二羥化合物而得的芳香族聚碳酸酯，就成本方面較理想。又，該等聚碳酸酯系樹脂可單獨使用1種或將2種以上組合使用。[Polycarbonate-Based Resin (C)] The polycarbonate-based resin (C) is not particularly limited as long as it contains a carbonate bond in the molecular main chain, that is, has a -[O-R-OCO]-unit. R in the formula may be an aliphatic group, an aromatic group, or both an aliphatic group and an aromatic group. Among them, an aromatic polycarbonate obtained by using an aromatic dihydroxy compound such as bisphenol A is preferable in terms of cost. In addition, these polycarbonate resins may be used alone or in combination of two or more.

聚碳酸酯系樹脂(C)之黏度平均分子量(Mv)可利用黏度法計算，宜為15,000~30,000，為17,000~25,000更佳。黏度平均分子量若在上述範圍內，本實施形態中的聚合物(A)及聚合物(B)之相容性良好，可得到具有更優良的透明性及表面硬度之成形體。The viscosity average molecular weight (Mv) of the polycarbonate resin (C) can be calculated by the viscosity method, and is preferably from 15,000 to 30,000, more preferably from 17,000 to 25,000. When the viscosity average molecular weight is within the above range, the compatibility between the polymer (A) and the polymer (B) in the present embodiment is good, and a molded article having more excellent transparency and surface hardness can be obtained.

聚碳酸酯系樹脂(C)之製造方法可依作為原料而使用之單體進行適當地選擇，例如可列舉：光氣法、酯交換法等。又，亦可使用市售者，例如可使用：IUPILON(註冊商標)S-3000(三菱工程塑膠(股)製，Mv=22,000)、TARFLON(註冊商標)FN1700(出光興產製，Mv=18,000)等。The method for producing the polycarbonate resin (C) can be appropriately selected depending on the monomer used as the raw material, and examples thereof include a phosgene method and a transesterification method. In addition, it is also possible to use a commercially available person, for example, IUPILON (registered trademark) S-3000 (Mitsubishi Engineering Plastics Co., Ltd., Mv = 22,000), TARFLON (registered trademark) FN1700 (Icosu, Ltd., Mv = 18,000) )Wait.

[樹脂組成物] 本實施形態之樹脂組成物含有前述聚合物(A)、前述聚合物(B)及前述聚碳酸酯系樹脂(C)。 本實施形態之樹脂組成物以樹脂組成物之質量作為基準，含有5~60質量%之前述聚合物(A)與前述聚合物(B)總合之(甲基)丙烯酸系聚合物，且含有40~95質量%之聚碳酸酯系樹脂(C)較理想。又，本實施形態之樹脂組成物含有10~50質量%之前述聚合物(A)與前述聚合物(B)總合之(甲基)丙烯酸系聚合物，且含有50~90質量%之聚碳酸酯系樹脂(C)更佳。樹脂組成物中之聚合物(A)與聚合物(B)總合之(甲基)丙烯酸系聚合物之含量若在5質量%以上，可達成和聚碳酸酯系樹脂(C)之相容性的提昇、或流動性的提昇。另一方面，聚合物(A)與聚合物(B)總合之(甲基)丙烯酸系聚合物之含量過多亦會有霧度變大的傾向，但聚合物(A)與聚合物(B)總合之(甲基)丙烯酸系聚合物之含量若在60質量%以下，可抑制所得到的成形體之透明性的降低。[Resin Composition] The resin composition of the present embodiment contains the polymer (A), the polymer (B), and the polycarbonate resin (C). The resin composition of the present embodiment contains 5 to 60% by mass of the (meth)acrylic polymer in which the polymer (A) and the polymer (B) are combined, based on the mass of the resin composition, and contains 40 to 95% by mass of the polycarbonate resin (C) is preferred. Further, the resin composition of the present embodiment contains 10 to 50% by mass of the (meth)acrylic polymer in which the polymer (A) and the polymer (B) are combined, and contains 50 to 90% by mass. The carbonate resin (C) is more preferable. When the content of the (meth)acrylic polymer in which the polymer (A) and the polymer (B) are combined in the resin composition is 5% by mass or more, compatibility with the polycarbonate resin (C) can be achieved. Sexual improvement, or increased mobility. On the other hand, if the content of the (meth)acrylic polymer in which the polymer (A) and the polymer (B) are combined is too large, the haze tends to increase, but the polymer (A) and the polymer (B) When the content of the total (meth)acrylic polymer is 60% by mass or less, the decrease in the transparency of the obtained molded article can be suppressed.

又，考慮表面硬度之提昇、或和聚碳酸酯樹脂(C)之相容性的觀點，聚合物(A)與聚合物(B)之質量比((A)/(B))宜在0.5/99.5~30/70之範圍，在2/98~25/75之範圍更佳，在5/95~20/80之範圍再更佳。在聚合物(A)與聚合物(B)之質量比((A)/(B))中，聚合物(A)若為0.5質量%以上，可達成和聚碳酸酯之相容性的提昇。另一方面，在聚合物(A)與聚合物(B)之質量比((A)/(B))中，聚合物(B)若為70質量%以上，可達成充分的表面硬度之提昇。Further, in view of the improvement in surface hardness or the compatibility with the polycarbonate resin (C), the mass ratio of the polymer (A) to the polymer (B) ((A)/(B)) is preferably 0.5. The range of /99.5~30/70 is better in the range of 2/98~25/75, and even better in the range of 5/95~20/80. In the mass ratio (A)/(B) of the polymer (A) to the polymer (B), if the polymer (A) is 0.5% by mass or more, compatibility with polycarbonate can be improved. . On the other hand, in the mass ratio (A)/(B) of the polymer (A) to the polymer (B), if the polymer (B) is 70% by mass or more, sufficient surface hardness can be improved. .

本實施形態之樹脂組成物在不妨礙本發明之效果的範圍內，亦可因應需要含有其他的樹脂、添加劑等。The resin composition of the present embodiment may contain other resins, additives, and the like as needed within a range that does not impair the effects of the present invention.

作為其他的樹脂並無特別限制，例如可列舉：ABS、HIPS、PS、PAS等之聚苯乙烯系樹脂；聚對苯二甲酸乙二醇酯、聚對苯二甲酸丁二醇酯等之聚酯系樹脂；聚烯烴系樹脂；摻合其他熱塑性樹脂之彈性體等之聚合物合金。該等樹脂之含量宜為不損及聚碳酸酯系樹脂(C)本身所具有的耐熱性、耐衝擊性、阻燃性等物性之範圍，具體而言，相對於合計100質量份之聚合物(A)、聚合物(B)與聚碳酸酯系樹脂(C)，宜為50質量份以下。The other resin is not particularly limited, and examples thereof include polystyrene resins such as ABS, HIPS, PS, and PAS; and polyethylene terephthalate and polybutylene terephthalate. An ester resin; a polyolefin resin; a polymer alloy such as an elastomer blended with another thermoplastic resin. The content of the resin is preferably in a range that does not impair the physical properties such as heat resistance, impact resistance, and flame retardancy of the polycarbonate resin (C), and specifically, 100 parts by mass of the polymer. The polymer (B) and the polycarbonate resin (C) are preferably 50 parts by mass or less.

又，作為添加劑並無特別限制，例如後述紫外線吸收劑、或抗氧化劑此外尚可列舉：強化劑、耐候劑、無機填料、耐衝擊性改質劑、阻燃劑、抗靜電劑、脫模劑、染顏料及氟烯烴。又，為了使成形體之強度、剛性、阻燃性等提昇，可使用滑石、雲母、碳酸鈣、玻璃纖維、碳纖維、鈦酸鉀纖維等。此外，亦可含有用以使耐衝擊性提昇之核-殼2層結構所構成的橡膠狀彈性體等。Further, the additive is not particularly limited, and examples thereof include a UV absorber or an antioxidant described later, and a reinforcing agent, a weathering agent, an inorganic filler, an impact modifier, a flame retardant, an antistatic agent, and a release agent. , dyed pigments and fluoroolefins. Moreover, in order to improve the strength, rigidity, flame retardancy, and the like of the molded body, talc, mica, calcium carbonate, glass fiber, carbon fiber, potassium titanate fiber or the like can be used. Further, it may contain a rubber-like elastic body or the like which is composed of a core-shell two-layer structure for improving impact resistance.

本實施形態之樹脂組成物亦可含有紫外線吸收劑。作為本實施形態中使用的紫外線吸收劑可列舉：氧化鈰、氧化鋅等無機系紫外線吸收劑；苯并***系化合物、二苯甲酮系化合物、水楊酸酯系化合物、氰基丙烯酸酯系化合物、三系化合物、草醯替苯胺(oxanilide)系化合物、丙二酸酯化合物、受阻胺系化合物、草醯胺苯(oxalic acid anilide)系化合物等有機系紫外線吸收劑。該等之中，宜為有機系紫外線吸收劑，為苯并***系化合物(具有苯并***結構之化合物)更佳。The resin composition of the present embodiment may contain an ultraviolet absorber. Examples of the ultraviolet absorber used in the present embodiment include inorganic ultraviolet absorbers such as cerium oxide and zinc oxide; benzotriazole compounds, benzophenone compounds, salicylate compounds, and cyanoacrylates. Compound, three An organic ultraviolet absorber such as a compound, an oxanilide compound, a malonic ester compound, a hindered amine compound, or an oxalic acid anilide compound. Among these, an organic ultraviolet absorber is preferable, and a benzotriazole-based compound (a compound having a benzotriazole structure) is more preferable.

作為苯并***系化合物之具體例，例如可列舉：2-(2’-羥基-5’-甲基苯基)苯并***、2-(2’-羥基-3’,5’-雙(α,α-二甲基苄基)苯基)苯并***、2-(2’-羥基-3’,5’-二(三級丁基)苯基)苯并***、2-(2’-羥基-3’-三級丁基-5’-甲基苯基)-5-氯苯并***、2-(2’-羥基-3’,5’-二(三級丁基)苯基)-5-氯苯并***、2-(2’-羥基-3’,5’-二(三級戊基))苯并***、2-(2’-羥基-5’-三級辛基苯基)苯并***、2,2’-亞甲基雙(4-(1,1,3,3-四甲基丁基)-6-(2N-苯并***-2-基)酚)等，其中宜為2-(2’-羥基-5’-三級辛基苯基)苯并***、2,2’-亞甲基雙(4-(1,1,3,3-四甲基丁基)-6-(2N-苯并***-2-基)酚)，為2-(2’-羥基-5’-三級辛基苯基)苯并***特佳。作為如此的苯并***系化合物，例如可列舉：SHIPRO KASEI公司製「SEESORB 701」、「SEESORB 705」、「SEESORB 703」、「SEESORB 702」、「SEESORB 704」、「SEESORB 709」、共同藥品公司製「VIOSORB 520」、「VIOSORB 582」、「VIOSORB 580」、「VIOSORB 583」、CHEMIPRO KASEI公司製「KEMISORB 71」、「KEMISORB 72」、CYTEC INDUSTRIES公司製「CYASORB UV5411」、ADEKA公司製「LA-32」、「LA-38」、「LA-36」、「LA-34」、「LA-31」、CIBA SPECIALTY CHEMICALS公司製「TINUVIN P」、「TINUVIN 234」、「TINUVIN 326」、「TINUVIN 327」、「TINUVIN 328」等。Specific examples of the benzotriazole-based compound include 2-(2'-hydroxy-5'-methylphenyl)benzotriazole and 2-(2'-hydroxy-3',5'-. Bis(α,α-dimethylbenzyl)phenyl)benzotriazole, 2-(2'-hydroxy-3',5'-di(tri-butyl)phenyl)benzotriazole, 2 -(2'-hydroxy-3'-tertiary butyl-5'-methylphenyl)-5-chlorobenzotriazole, 2-(2'-hydroxy-3',5'-di (three-stage Butyl)phenyl)-5-chlorobenzotriazole, 2-(2'-hydroxy-3',5'-bis(tripentyl))benzotriazole, 2-(2'-hydroxy- 5'-tertiary octylphenyl)benzotriazole, 2,2'-methylenebis(4-(1,1,3,3-tetramethylbutyl)-6-(2N-benzo Triazol-2-yl)phenol), etc., preferably 2-(2'-hydroxy-5'-tris-octylphenyl)benzotriazole, 2,2'-methylenebis(4-( 1,1,3,3-tetramethylbutyl)-6-(2N-benzotriazol-2-yl)phenol), 2-(2'-hydroxy-5'-tertiary octylphenyl) Benzotriazole is particularly good. Examples of such a benzotriazole-based compound include "SEESORB 701", "SEESORB 705", "SEESORB 703", "SEESORB 702", "SEESORB 704", "SEESORB 709", and a common drug manufactured by SHIPRO KASEI. "VIOSORB 520", "VIOSORB 582", "VIOSORB 580", "VIOSORB 583" manufactured by the company, "KEMISORB 71" manufactured by CHEMIPRO KASEI, "KEMISORB 72", "CYASORB UV5411" manufactured by CYTEC INDUSTRIES, and "LA" manufactured by ADEKA -32", "LA-38", "LA-36", "LA-34", "LA-31", "TINUVIN P", "TINUVIN 234", "TINUVIN 326", "TINUVIN" manufactured by CIBA SPECIALTY CHEMICALS 327", "TINUVIN 328", etc.

作為二苯甲酮系化合物之具體例，例如可列舉：2,4-二羥基二苯甲酮、2-羥基-4-甲氧基二苯甲酮、2-羥基-4-甲氧基二苯甲酮-5-磺酸、2-羥基-4-正辛氧基二苯甲酮、2-羥基-正十二烷氧基二苯甲酮、雙(5-苯甲醯基-4-羥基-2-甲氧基苯基)甲烷、2,2’-二羥基-4-甲氧基二苯甲酮、2,2’-二羥基-4,4’-二甲氧基二苯甲酮等，作為如此的二苯甲酮系化合物，例如可列舉：SHIPRO KASEI公司製「SEESORB 100」、「SEESORB 101」、「SEESORB 101S」、「SEESORB 102」、「SEESORB 103」、共同藥品公司製「VIOSORB 100」、「VIOSORB 110」、「VIOSORB 130」、CHEMIPRO KASEI公司製「KEMISORB 10」、「KEMISORB 11」、「KEMISORB 11S」、「KEMISORB 12」、「KEMISORB 13」、「KEMISORB 111」、BASF公司製「UVINUL 400」、BASF公司製「UVINUL M-40」、BASF公司製「UVINUL MS-40」、CYTEC INDUSTRIES公司製「CYASORB UV9」、「CYASORB UV284」、「CYASORB UV531」、「CYASORB UV24」、ADEKA公司製「ADK STAB 1413」、「ADK STAB LA-51」等。Specific examples of the benzophenone-based compound include 2,4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, and 2-hydroxy-4-methoxyl. Benzophenone-5-sulfonic acid, 2-hydroxy-4-n-octyloxybenzophenone, 2-hydroxy-n-dodecyloxybenzophenone, bis(5-benzylidene-4- Hydroxy-2-methoxyphenyl)methane, 2,2'-dihydroxy-4-methoxybenzophenone, 2,2'-dihydroxy-4,4'-dimethoxybenzonitrile Examples of such benzophenone-based compounds include "SEESORB 100", "SEESORB 101", "SEESORB 101S", "SEESORB 102", "SEESORB 103" manufactured by SHIPRO KASEI Co., Ltd., and the company. "VIOSORB 100", "VIOSORB 110", "VIOSORB 130", "KEMISORB 10", "KEMISORB 11", "KEMISORB 11S", "KEMISORB 12", "KEMISORB 13", "KEMISORB 111", BASF, manufactured by CHEMIPRO KASEI "UVINUL 400" manufactured by the company, "UVINUL M-40" manufactured by BASF Corporation, "UVINUL MS-40" manufactured by BASF Corporation, "CYASORB UV9" manufactured by CYTEC INDUSTRIES, "CYASORB UV284", "CYASORB UV531", CYASORB UV24 ", ADEKA Corporation" ADK STAB 1413 "," ADK STAB LA-51 "and so on.

作為水楊酸酯系化合物之具體例，例如可列舉：水楊酸苯酯、水楊酸-4-三級丁苯酯等，作為如此的水楊酸酯系化合物，例如可列舉：SHIPRO KASEI公司製「SEESORB 201」、「SEESORB 202」、CHEMIPRO KASEI公司製「KEMISORB 21」、「KEMISORB 22」等。Specific examples of the salicylate-based compound include phenyl salicylate and tetra-tert-butylphenyl salicylate. Examples of such a salicylate-based compound include SHIPRO KASEI. "SEESORB 201", "SEESORB 202", "KEMISORB 21" and "KEMISORB 22" manufactured by CHEMIPRO KASEI.

作為氰基丙烯酸酯系化合物之具體例，例如可列舉：2-氰基-3,3-二苯基丙烯酸乙酯、2-氰基-3,3-二苯基丙烯酸-2-乙基己酯等，作為如此的氰基丙烯酸酯化合物，例如可列舉：SHIPRO KASEI公司製「SEESORB 501」、共同藥品公司製「VIOSORB 910」、第一化成公司製「UVSOLATOR 300」、BASF公司製「UVINUL N-35」、「UVINUL N-539」等。Specific examples of the cyanoacrylate compound include ethyl 2-cyano-3,3-diphenylacrylate and 2-cyano-3,3-diphenylacrylate-2-ethylhexyl Examples of such a cyanoacrylate compound include "SEESORB 501" manufactured by SHIPRO KASEI Co., Ltd., "VIOSORB 910" manufactured by Kosei Pharmaceutical Co., Ltd., "UVSOLATOR 300" manufactured by Daisei Chemical Co., Ltd., and "UVINUL N" manufactured by BASF Corporation. -35", "UVINUL N-539", etc.

作為草醯替苯胺系化合物之具體例，例如可列舉：2-乙氧基-2’-乙基草酸雙替醯苯胺等，作為如此的草醯替苯胺系化合物，例如可列舉：CLARIANT公司製「SANDUVOR VSU」等。Specific examples of the herbicidal anilide-based compound include, for example, 2-ethoxy-2'-ethyl oxalic acid anilide, and the like. Examples of such a oxalic acid-based compound include those of CLARIANT. "SANDUVOR VSU" and so on.

作為丙二酸酯化合物，宜為2-(亞烷基)丙二酸酯類，為2-(1-芳基亞烷基)丙二酸酯類更佳。作為如此的丙二酸酯化合物，例如可列舉：CLARIANT JAPAN公司製「PR-25」、CIBA SPECIALTY CHEMICALS公司製「B-CAP」等。The malonic ester compound is preferably a 2-(alkylene)malonate and more preferably a 2-(1-arylalkylene)malonate. Examples of such a malonate compound include "PR-25" manufactured by CLARIANT JAPAN Co., Ltd., and "B-CAP" manufactured by CIBA SPECIALTY CHEMICALS.

本實施形態中所使用的紫外線吸收劑之摻合量相對於100質量份之包含前述聚合物(A)、前述聚合物(B)及聚碳酸酯系樹脂(C)之樹脂成分，為0.05~2.0質量份，為0.1~1.5質量份較佳，為0.2~1.0質量份更佳。 摻合量若為0.05質量份以上，則傾向於能展現充分的耐候性，若為2.0質量份以下，則傾向於可抑制成形時的散逸氣體量，且不易產生模具污染的問題。 另外，紫外線吸收劑可僅含1種，亦可用任意之組合及比率含有2種以上。The blending amount of the ultraviolet absorber used in the present embodiment is 0.05 to 100 parts by mass of the resin component containing the polymer (A), the polymer (B), and the polycarbonate resin (C). 2.0 parts by mass is preferably 0.1 to 1.5 parts by mass, more preferably 0.2 to 1.0 part by mass. When the blending amount is 0.05 parts by mass or more, sufficient weather resistance is exhibited, and when it is 2.0 parts by mass or less, the amount of fugitive gas at the time of molding tends to be suppressed, and the problem of mold contamination is less likely to occur. Further, the ultraviolet absorber may be contained alone or in combination of two or more kinds in any combination and in any ratio.

本實施形態之樹脂組成物亦可含有抗氧化劑。作為本實施形態中所使用的抗氧化劑，例如可列舉：酚系抗氧化劑、胺系抗氧化劑、亞磷酸酯系抗氧化劑、硫醚系抗氧化劑等。抗氧化劑可含有1種，亦可用任意之組合及比率含有2種以上。該等之中，宜使用酚系抗氧化劑或併用酚系抗氧化劑與亞磷酸酯系抗氧化劑。The resin composition of the present embodiment may contain an antioxidant. Examples of the antioxidant used in the present embodiment include a phenol-based antioxidant, an amine-based antioxidant, a phosphite-based antioxidant, and a thioether-based antioxidant. The antioxidant may be contained in one type or in combination of two or more kinds in any combination and in any ratio. Among these, it is preferred to use a phenolic antioxidant or a phenolic antioxidant together with a phosphite antioxidant.

作為酚系抗氧化劑之具體例可列舉：肆3-(3,5-二(三級丁基)-4-羥苯基)丙酸新戊四醇酯、3-(3,5-二(三級丁基)-4-羥苯基)丙酸十八烷酯、雙3-(3,5-二(三級丁基)-4-羥苯基)丙酸硫二伸乙酯、N,N’-己烷-1,6-二基雙3-(3,5-二(三級丁基)-4-羥苯基丙醯胺、2,4-二甲基-6-(1-甲基十五烷基)酚、3,5-雙(1,1-二甲基乙基)-4-羥苯基甲基磷酸二乙酯、3,3’,3’’,5,5’,5’’-六(三級丁基)-a,a’,a’’-(均三甲苯-2,4,6-三基)三對甲酚、4,6-雙(辛基硫甲基)鄰甲酚、雙(氧伸乙基)雙(3-(5-三級丁基-4-羥基間甲苯基)丙酸伸乙酯)、六亞甲基雙[3-(3,5-二(三級丁基)-4-羥苯基)丙酸酯]、1,3,5-參(3,5-二(三級丁基)-4-羥基苄基)-1,3,5-三-2,4,6(1H,3H,5H)三酮、2,6-二(三級丁基)-4-(4,6-雙(辛基硫)-1,3,5-三-2-基胺基)酚等。 其中宜為：肆3-(3,5-二(三級丁基)-4-羥苯基)丙酸新戊四醇酯、3-(3,5-二(三級丁基)-4-羥苯基)丙酸十八烷酯。作為如此的酚系抗氧化劑，例如可列舉：CIBA公司製「IRGANOX 1010」、「IRGANOX 1076」、ADEKA公司製「ADK STAB AO-50」、「ADK STAB AO-60」等。Specific examples of the phenolic antioxidant include 肆3-(3,5-di(tributyl)-4-hydroxyphenyl)propanoic acid pentaerythritol ester, 3-(3,5-di ( Tert-butyl butyl)-4-hydroxyphenyl)propanoic acid octadecyl ester, bis 3-(3,5-di(tributyl)-4-hydroxyphenyl)propionic acid thiodiethyl ester, N , N'-Hexane-1,6-diylbis 3-(3,5-di(tributyl)-4-hydroxyphenylpropionamide, 2,4-dimethyl-6-(1) -methylpentadecyl)phenol, diethyl 3,5-bis(1,1-dimethylethyl)-4-hydroxyphenylmethylphosphate, 3,3',3'',5, 5',5''-hexa(tributyl)-a,a',a''-(mesitylene-2,4,6-triyl)tris-cresol, 4,6-bis(xin Ethyl thiomethyl) o-cresol, bis(oxyethyl) bis(3-(5-tris-butyl-4-hydroxym-tolyl)propionic acid ethyl ester), hexamethylene double [3- (3,5-di(tributyl)-4-hydroxyphenyl)propionate], 1,3,5-paran (3,5-di(tri-butyl)-4-hydroxybenzyl) -1,3,5-three -2,4,6(1H,3H,5H)trione, 2,6-di(tributyl)-4-(4,6-bis(octylthio)-1,3,5-three -2-ylamino)phenol and the like. Among them, it is preferably: 3-(3,5-di(tributyl)-4-hydroxyphenyl)propanoic acid pentaerythritol ester, 3-(3,5-di(tributyl)-4 -Hydroxyphenyl) octadecyl propionate. Examples of such a phenolic antioxidant include "IRGANOX 1010" manufactured by CIBA Corporation, "IRGANOX 1076", "ADK STAB AO-50" manufactured by ADEKA Corporation, and "ADK STAB AO-60".

作為亞磷酸酯系抗氧化劑之具體例可列舉：亞磷酸三苯酯、亞磷酸參(壬苯基)酯、亞磷酸氫二月桂酯、亞磷酸三乙酯、亞磷酸十三烷酯、亞磷酸參(2-乙基己基)酯、亞磷酸參(十三烷基)酯、亞磷酸三硬脂酯、亞磷酸二苯基單癸酯、亞磷酸單苯基二癸酯、亞磷酸二苯基單十三烷酯、二亞磷酸四苯基二丙二醇酯、四亞磷酸四苯基四(十三烷基)新戊四醇酯、氫化雙酚A亞磷酸酚酯聚合物、亞磷酸氫二苯酯、亞磷酸-4,4’-亞丁基-雙(3-甲基-6-三級丁苯基二(十三烷基))酯、二亞磷酸四(十三烷基)-4,4’-異亞丙基二苯酯、二亞磷酸雙(十三烷基)新戊四醇酯、二亞磷酸雙(壬苯基)新戊四醇酯、二亞磷酸二月桂基新戊四醇酯、二亞磷酸二硬脂基新戊四醇酯、亞磷酸參(4-三級丁基苯基)酯、亞磷酸參(2,4-二(三級丁基)苯基)酯、氫化雙酚A亞磷酸新戊四醇酯聚合物、二亞磷酸雙(2,4-二(三級丁基)苯基)新戊四醇酯、二亞磷酸雙(2,6-二(三級丁基)-4-甲基苯基)新戊四醇酯、亞磷酸-2,2’-亞甲基雙(4,6-二(三級丁基)苯基)辛酯、二亞磷酸雙(2,4-二異丙苯基苯基)新戊四醇酯等。Specific examples of the phosphite-based antioxidant include triphenyl phosphite, decyl phosphite, dilauryl hydrogen phosphite, triethyl phosphite, and tridecyl phosphite. Phosphate (2-ethylhexyl) ester, phosphite (tridecyl) phosphite, tristearyl phosphite, diphenyl monodecyl phosphite, monophenyl dinonyl phosphite, phosphorous acid Phenyl monotridecyl ester, tetraphenyldipropylene glycol diphosphite, tetraphenyltetrakis(tridecyl)pentaerythritol tetraphosphite, hydrogenated bisphenol A phosphite phenolate polymer, phosphorous acid Hydrogen diphenyl ester, 4,4'-butylene-bis(3-methyl-6-tertiary butylphenyl bis(tridecyl)) phosphite, tetra (tridecyl) diphosphite -4,4'-isopropylidene diphenyl ester, bis(tridecyl)pentaerythritol diphosphite, bis(indolyl) pentaerythritol diphosphite, dilaurate diphosphite Pentaerythritol ester, distearyl pentaerythritol diphosphite, bis(4-tert-butylphenyl) phosphite, bisphosphite (2,4-di(tert-butyl) Phenyl) ester, hydrogenated bisphenol A neopentyl glycol phosphite polymer, diphosphoric acid bis(2,4-di (tertiary butyl)phenyl) pentaerythritol ester, bis(2,6-di(tributyl)-4-methylphenyl)pentaerythritol diphosphite, phosphorous acid-2, 2'-methylenebis(4,6-di(tributyl)phenyl)octyl ester, bis(2,4-diisopropylphenylphenyl)pentaerythritol diphosphite, and the like.

作為胺系抗氧化劑之具體例可列舉：聚(2,2,4-三甲基-1,2-二氫喹啉)、6-乙氧基-1,2-二氫-2,2,4-三甲基喹啉、苯基-α-萘胺、4,4-雙(α,α-二甲基苄基)二苯胺、(對甲苯磺醯胺)二苯胺、N,N'-二苯基對苯二胺、N,N'-二-β-萘基對苯二胺、N,N'-二(1,4-二甲基戊基)對苯二胺、N-苯基-N'-異丙基對苯二胺、N-苯基-N'-1,3-二甲基丁基對苯二胺、N-(1-甲基庚基)-N'-苯基對苯二胺等之芳香族胺。Specific examples of the amine-based antioxidant include poly(2,2,4-trimethyl-1,2-dihydroquinoline) and 6-ethoxy-1,2-dihydro-2,2. 4-trimethylquinoline, phenyl-α-naphthylamine, 4,4-bis(α,α-dimethylbenzyl)diphenylamine, (p-toluenesulfonamide)diphenylamine, N,N'- Diphenyl-p-phenylenediamine, N,N'-di-β-naphthyl p-phenylenediamine, N,N'-bis(1,4-dimethylpentyl)-p-phenylenediamine, N-phenyl -N'-isopropyl p-phenylenediamine, N-phenyl-N'-1,3-dimethylbutyl-p-phenylenediamine, N-(1-methylheptyl)-N'-phenyl An aromatic amine such as p-phenylenediamine.

作為硫醚系抗氧化劑之具體例可列舉：肆(3-月桂基硫代丙酸)新戊四醇酯、3,3’-硫代二丙酸二月桂酯、3,3’-硫代二丙酸二肉豆蔻酯、3,3’-硫代二丙酸二硬脂酯等。Specific examples of the thioether-based antioxidant include neodymium (3-laurylthiopropionic acid) pentaerythritol ester, 3,3'-dithiogallate dilaurate, and 3,3'-thio Dimyristate dipropionate, distearyl 3,3'-thiodipropionate, and the like.

抗氧化劑之摻合量相對於100質量份之含有前述聚合物(A)、前述聚合物(B)及聚碳酸酯系樹脂(C)之樹脂成分，為0.01~1.0質量份，為0.05~0.8質量份更佳，為0.1~0.5質量份再更佳。 抗氧化劑之含量若為0.01質量份以上，會傾向於展現作為抗氧化劑之充分的效果，抗氧化劑之含量若為1.0質量份以下，則傾向於可抑制效果達上限所致之過量的添加而較經濟。The blending amount of the antioxidant is 0.01 to 1.0 part by mass, and is 0.05 to 0.8, based on 100 parts by mass of the resin component containing the polymer (A), the polymer (B), and the polycarbonate resin (C). The mass portion is more preferably 0.1 to 0.5 parts by mass. When the content of the antioxidant is 0.01 parts by mass or more, it tends to exhibit a sufficient effect as an antioxidant. When the content of the antioxidant is 1.0 part by mass or less, it tends to suppress excessive addition due to the upper limit of the effect. economic.

本實施形態之樹脂組成物可利用在粉體狀態下摻混前述聚合物(A)、前述聚合物(B)與前述聚碳酸酯系樹脂(C)之方法、或將該等加熱熔融後摻混之方法而製造。 又，本實施形態之樹脂組成物可在粉體狀態下摻混前述聚合物(A)與前述聚合物(B)、或將該等加熱熔融摻混後，再將前述聚碳酸酯系樹脂(C)於粉體狀態下添加、或加熱熔融而摻混來製造。前述摻混物之製造可使用例如：亨舍爾混合機、班布瑞混合機、單軸螺桿擠壓機、雙軸螺桿擠壓機、雙輥混合機、捏合機、布氏混合機(Brabender)等。The resin composition of the present embodiment can be obtained by blending the polymer (A), the polymer (B) and the polycarbonate resin (C) in a powder state, or heating and melting the same. Manufactured by mixing methods. Further, in the resin composition of the present embodiment, the polymer (A) and the polymer (B) may be blended in a powder state, or the mixture may be heated and melted, and then the polycarbonate resin (the polycarbonate resin) may be added. C) It is produced by adding in a powder state, or heating and melting, and blending. For the manufacture of the foregoing blends, for example, a Henschel mixer, a Bunbury mixer, a single-axis screw extruder, a twin-screw extruder, a twin-roll mixer, a kneader, a Brookfield mixer (Brabender) )Wait.

[摻混物] 根據本發明另一實施形態，可提供上述聚合物(A)與上述聚合物(B)之摻混物。亦即，本實施形態之摻混物含有：含45質量%以上之前述式(1)表示之(甲基)丙烯酸酯單元(a)之聚合物(A)與含60質量%以上之(甲基)丙烯酸甲酯單元(b)且質量平均分子量為5,000~20,000之聚合物(B)。[Mixture] According to another embodiment of the present invention, a blend of the above polymer (A) and the above polymer (B) can be provided. In other words, the blend of the present embodiment contains 45% by mass or more of the polymer (A) of the (meth) acrylate unit (a) represented by the above formula (1) and 60% by mass or more (A). a polymer (B) having a methyl acrylate unit (b) and a mass average molecular weight of 5,000 to 20,000.

考慮表面硬度之提昇、或和聚碳酸酯樹脂(C)之相容性的觀點，摻混物中的聚合物(A)與聚合物(B)之質量比((A)/(B))宜為0.5/99.5~30/70之範圍，為2/98~25/75之範圍更佳，為5/95~20/80之範圍再更佳。在聚合物(A)與聚合物(B)之質量比((A)/(B))中，聚合物(A)若為0.5質量%以上可達成和聚碳酸酯之相容性的提昇。另一方面，在聚合物(A)與聚合物(B)之質量比((A)/(B))中，聚合物(B)若為70質量%以上，可達成充分的表面硬度之提昇。The mass ratio of the polymer (A) to the polymer (B) in the blend is considered in view of the improvement in surface hardness or the compatibility with the polycarbonate resin (C) ((A)/(B)) It should be in the range of 0.5/99.5~30/70, and the range of 2/98~25/75 is better, and the range of 5/95~20/80 is even better. In the mass ratio (A)/(B) of the polymer (A) to the polymer (B), when the polymer (A) is 0.5% by mass or more, the compatibility with the polycarbonate can be improved. On the other hand, in the mass ratio (A)/(B) of the polymer (A) to the polymer (B), if the polymer (B) is 70% by mass or more, sufficient surface hardness can be improved. .

本實施形態之摻混物在不妨礙本發明之效果的範圍內，因應需要亦可含有上述其他的樹脂、或添加劑等。The blend of the present embodiment may contain the above-mentioned other resin, additive or the like as needed within a range that does not impair the effects of the present invention.

本實施形態之摻混物可利用在粉體狀態下摻混前述聚合物(A)與前述聚合物(B)之方法、或將該等加熱熔融而摻混之方法來製造。摻混物之製造可使用例如：亨舍爾混合機、班布瑞混合機、單軸螺桿擠壓機、雙軸螺桿擠壓機、雙輥混合機、捏合機、布氏混合機(Brabender)等。The blend of the present embodiment can be produced by a method of blending the polymer (A) and the polymer (B) in a powder state or by heating and melting the same. For the manufacture of the blend, for example, a Henschel mixer, a Bamburi mixer, a single-shaft screw extruder, a twin-screw extruder, a twin-roll mixer, a kneader, a Brookfield mixer (Brabender) can be used. Wait.

[成形體] 實施形態所相關之成形體係將前述樹脂組成物成形而得。[Molded body] The molding system according to the embodiment is obtained by molding the above resin composition.

藉由使用上述樹脂組成物，即使在高溫條件下成形時，仍能得到兼具優良的透明性與表面硬度之成形體。例如，藉由將聚合物(A)與聚合物(B)之摻混物、和聚碳酸酯系樹脂(C)(黏度平均分子量：22,000)以30/70(質量%)之比例熔融揉合，並以射出溫度300℃、射出速度300mm/sec、模具溫度80℃之條件射出成型而獲得之厚度為1.5mm之平板試驗片的霧度宜為12%以下，為10%以下更佳，為5%以下特佳。又，前述平板試驗片之鉛筆硬度宜為HB以上，為F以上更佳。By using the above resin composition, a molded article having both excellent transparency and surface hardness can be obtained even when molded under high temperature conditions. For example, the blend of the polymer (A) and the polymer (B) and the polycarbonate resin (C) (viscosity average molecular weight: 22,000) are melted at a ratio of 30/70 (% by mass). The flatness of the flat test piece having a thickness of 1.5 mm obtained by injection molding at a temperature of 300 ° C, an injection speed of 300 mm/sec, and a mold temperature of 80 ° C is preferably 12% or less, more preferably 10% or less. 5% or less is especially good. Further, the pencil hardness of the flat test piece is preferably HB or more, and more preferably F or more.

如上所述，本實施形態之成形體維持聚碳酸酯系樹脂(C)之優良的機械強度、耐熱性、電特性、尺寸安定性、阻燃性、透明性等特性，而且表面硬度亦優良。因此，本實施形態之成形體可利用於電氣電子、OA設備、光學媒體、汽車零件、建築構件等。As described above, the molded article of the present embodiment maintains excellent properties such as excellent mechanical strength, heat resistance, electrical properties, dimensional stability, flame retardancy, and transparency of the polycarbonate resin (C), and is also excellent in surface hardness. Therefore, the molded body of the present embodiment can be used for electrical and electronic equipment, OA equipment, optical media, automobile parts, building members, and the like.

作為本實施形態之成形體的成形方法，例如可列舉：壓縮成形、轉移成形、射出成形、吹塑成形、擠製成形、疊層成形、壓延成形。使用射出成形時，作為射出成形條件，就表面硬度提昇之觀點，射出溫度為230~330℃、射出速度為10~500mm/sec、模具溫度為60℃以上較理想。又，本實施形態之樹脂組成物的情況，由於能將射出速度設為高速，就生產性之觀點亦為理想。 [實施例]Examples of the molding method of the molded body of the present embodiment include compression molding, transfer molding, injection molding, blow molding, extrusion molding, lamination molding, and calender molding. When injection molding is used, it is preferable that the injection temperature is 230 to 330 ° C, the injection speed is 10 to 500 mm/sec, and the mold temperature is 60 ° C or more as the injection molding conditions. Further, in the case of the resin composition of the present embodiment, since the injection speed can be set to be high, the viewpoint of productivity is also preferable. [Examples]

以下，針對本發明參照實施例進行詳述，但本發明之技術範圍並非受限於此。實施例及比較例中的「份」及「%」分別表示「質量份」及「質量%」。Hereinafter, the present invention will be described in detail with reference to the embodiments, but the technical scope of the present invention is not limited thereto. In the examples and comparative examples, "parts" and "%" indicate "parts by mass" and "% by mass", respectively.

又，實施例及比較例中的各物性之測量係利用以下的方法進行。Further, the measurement of each physical property in the examples and the comparative examples was carried out by the following method.

[(甲基)丙烯酸系聚合物之分子量] 將(甲基)丙烯酸系聚合物溶解於四氫呋喃(THF)，並利用凝膠滲透層析儀進行測量。另外，各聚合物之Mw、Mn、及Mw/Mn係依標準聚苯乙烯製成之檢量線計算而得。[Molecular Weight of (Meth)Acrylic Polymer] The (meth)acrylic polymer was dissolved in tetrahydrofuran (THF) and measured by a gel permeation chromatography. Further, Mw, Mn, and Mw/Mn of each polymer were calculated based on a calibration curve made of standard polystyrene.

裝置：東曹(股)製 HLC-8320GPCEcoSEC 管柱：東曹(股)製 TSK gel Super H M-H×3支 移動相溶劑：THF 流速：0.6mL/分鐘 溫度：40℃ 樣本濃度：0.1% 樣本注入量：10μL 檢測器：RI(UV)Device: HTC-8320GPCEcoSEC made by Tosoh Co., Ltd. Column: TSK gel Super H MH × 3 mobile phase solvent: THF Flow rate: 0.6 mL / min Temperature: 40 ° C Sample concentration: 0.1% Sample injection Volume: 10 μL Detector: RI (UV)

[鉛筆硬度] 製作厚度為1.5mm之平板試驗片，並依據JIS K5600-5-4測量在試驗片表面未觀察到刮擦傷之鉛筆硬度。[Pencil Hardness] A flat test piece having a thickness of 1.5 mm was produced, and the pencil hardness at which no scratch was observed on the surface of the test piece was measured in accordance with JIS K5600-5-4.

[透明性] 使用霧度計NDH4000(日本電色工業(股)製)，依據JIS K 7136針對厚度為1.5mm之平板試驗片進行霧度之測量。[Transparency] The haze measurement was performed on a flat test piece having a thickness of 1.5 mm in accordance with JIS K 7136 using a haze meter NDH4000 (manufactured by Nippon Denshoku Industries Co., Ltd.).

(1)聚合物(A)之合成 ＜合成例1：聚合物(A)-a之合成＞ 在裝設有攪拌裝置之可加溫之高壓反應器中加入200質量份去離子水、0.5質量份作為懸浮安定劑之磷酸三鈣、0.01質量份作為界面活性劑之十二烷基苯磺酸鈉後進行攪拌。另外製備將97質量份甲基丙烯酸-4-苯基苄酯、3質量份丙烯酸甲酯、0.3質量份作為起始劑之PERBUTYL E(日油股份有限公司製)及0.001質量份作為鏈轉移劑之正辛基硫醇(nOM)混合均勻之單體溶液，並添加入反應容器內。用氮氣將反應容器充滿並加壓到0.1MPa。進行110℃、1小時，然後120℃、2小時之反應後使聚合反應結束。將得到的珠粒狀聚合物水洗、乾燥並獲得聚合物(A)-a。(1) Synthesis of Polymer (A) <Synthesis Example 1: Synthesis of Polymer (A)-a> 200 parts by mass of deionized water, 0.5 mass in a high-pressure reactor equipped with a stirring device A portion of tricalcium phosphate as a suspension stabilizer and 0.01 part by mass of sodium dodecylbenzenesulfonate as a surfactant were stirred and stirred. Further, 97 parts by mass of 4-phenylbenzyl methacrylate, 3 parts by mass of methyl acrylate, 0.3 parts by mass of PERBUTYL E (manufactured by Nippon Oil Co., Ltd.) and 0.001 parts by mass as a chain transfer agent were prepared. The n-octyl mercaptan (nOM) is mixed with a uniform monomer solution and added to the reaction vessel. The reaction vessel was filled with nitrogen and pressurized to 0.1 MPa. The polymerization reaction was completed after reacting at 110 ° C for 1 hour and then at 120 ° C for 2 hours. The obtained bead polymer was washed with water, dried, and a polymer (A)-a was obtained.

＜合成例2：聚合物(A)-b之合成＞ 將作為鏈轉移劑之正辛基硫醇(nOM)的量設為0.01質量份，除此之外與合成例1用相同的方法獲得聚合物(A)-b。<Synthesis Example 2: Synthesis of polymer (A)-b> The same procedure as in Synthesis Example 1 was carried out except that the amount of n-octyl mercaptan (nOM) as a chain transfer agent was 0.01 parts by mass. Polymer (A)-b.

＜合成例3：聚合物(A)-c之合成＞ 設為50質量份之甲基丙烯酸-4-苯基苄酯、47質量份之甲基丙烯酸甲酯，除此之外與合成例2用相同的方法獲得聚合物(A)-c。<Synthesis Example 3: Synthesis of Polymer (A)-c> 50 parts by mass of 4-phenylbenzyl methacrylate and 47 parts by mass of methyl methacrylate were used, and Synthesis Example 2 was used. The polymer (A)-c was obtained in the same manner.

＜合成例4：聚合物(A)-d之合成＞ 以甲基丙烯酸苯酯替換甲基丙烯酸-4-苯基苄酯，除此之外與合成例2用相同的方法獲得聚合物(A)-d。<Synthesis Example 4: Synthesis of polymer (A)-d> A polymer (A was obtained in the same manner as in Synthesis Example 2 except that 4-phenylbenzyl methacrylate was replaced with phenyl methacrylate. )-d.

＜合成例5：聚合物(A)-e之合成＞ 以甲基丙烯酸苄酯替換甲基丙烯酸-4-苯基苄酯，除此之外與合成例2用相同的方法獲得聚合物(A)-e。<Synthesis Example 5: Synthesis of polymer (A)-e> A polymer (A was obtained in the same manner as in Synthesis Example 2 except that 4-phenylbenzyl methacrylate was replaced with benzyl methacrylate. )-e.

＜合成例6：聚合物(A)-f之合成＞ 設為45質量份之甲基丙烯酸-4-苯基苄酯、52質量份之甲基丙烯酸甲酯，除此之外與合成例1用相同的方法獲得聚合物(A)-f。<Synthesis Example 6: Synthesis of Polymer (A)-f> 45 parts by mass of 4-phenylbenzyl methacrylate and 52 parts by mass of methyl methacrylate were used, and Synthesis Example 1 was used. The polymer (A)-f was obtained in the same manner.

＜合成例7：聚合物(A)-g之合成＞ 以甲基丙烯酸-2-苯基苄酯替換甲基丙烯酸-4-苯基苄酯，除此之外與合成例1用相同的方法獲得聚合物(A)-g。<Synthesis Example 7: Synthesis of polymer (A)-g> The same procedure as in Synthesis Example 1 except that 4-phenylbenzyl methacrylate was replaced with 2-phenylbenzyl methacrylate. The polymer (A)-g was obtained.

＜合成例8：聚合物(A)-h之合成＞ 以甲基丙烯酸-4-苄基苄酯替換甲基丙烯酸-4-苯基苄酯，除此之外與合成例1用相同的方法獲得聚合物(A)-h。<Synthesis Example 8: Synthesis of polymer (A)-h> The same procedure as in Synthesis Example 1 except that 4-phenylbenzyl methacrylate was replaced with 4-benzyl benzyl methacrylate. The polymer (A)-h was obtained.

＜合成例9：聚合物(A)-i之合成＞ 以甲基丙烯酸-4-苯氧基苄酯替換甲基丙烯酸-4-苯基苄酯，除此之外與合成例1用相同的方法獲得聚合物(A)-i。<Synthesis Example 9: Synthesis of polymer (A)-i> The same procedure as in Synthesis Example 1 except that 4-phenylbenzyl methacrylate was replaced with 4-phenoxybenzyl methacrylate. Method to obtain polymer (A)-i.

＜合成例10：聚合物(A)-j之合成＞ 以甲基丙烯酸-4-(苯基磺醯基)苄酯替換甲基丙烯酸-4-苯基苄酯，除此之外與合成例1用相同的方法獲得聚合物(A)-j。<Synthesis Example 10: Synthesis of Polymer (A)-j> Replacing 4-phenylbenzyl methacrylate with 4-(phenylsulfonyl)benzyl methacrylate, and other examples 1 The polymer (A)-j was obtained in the same manner.

(2)聚合物(B)之合成 ＜合成例11：聚合物(B)-a之合成＞ 以甲基丙烯酸甲酯替換甲基丙烯酸-4-苯基苄酯，並將作為鏈轉移劑之正辛基硫醇(nOM)的量設為3.5質量份，除此之外與合成例1用相同的方法獲得聚合物(B)-a。(2) Synthesis of Polymer (B) <Synthesis Example 11: Synthesis of Polymer (B)-a> Replacing 4-phenylbenzyl methacrylate with methyl methacrylate and using it as a chain transfer agent The polymer (B)-a was obtained in the same manner as in Synthesis Example 1, except that the amount of n-octyl mercaptan (nOM) was changed to 3.5 parts by mass.

＜合成例12：聚合物(B)-b之合成＞ 將為鏈轉移劑之正辛基硫醇(nOM)的量設為2.5質量份，除此之外與合成例11用相同的方法獲得聚合物(B)-b。<Synthesis Example 12: Synthesis of polymer (B)-b> The same procedure as in Synthesis Example 11 was carried out except that the amount of n-octyl mercaptan (nOM) which is a chain transfer agent was 2.5 parts by mass. Polymer (B)-b.

＜合成例13：聚合物(B)-c之合成＞ 將為鏈轉移劑之正辛基硫醇(nOM)的量設為1.25質量份，除此之外與合成例11用相同的方法獲得聚合物(B)-c。<Synthesis Example 13: Synthesis of polymer (B)-c> The same procedure as in Synthesis Example 11 was carried out except that the amount of n-octyl mercaptan (nOM) which is a chain transfer agent was 1.25 parts by mass. Polymer (B)-c.

＜合成例14：聚合物(B)-d之合成＞ 將為鏈轉移劑之正辛基硫醇(nOM)的量設為0.75質量份，除此之外與合成例11用相同的方法獲得聚合物(B)-d。<Synthesis Example 14: Synthesis of polymer (B)-d> The same procedure as in Synthesis Example 11 was carried out except that the amount of n-octyl mercaptan (nOM) which is a chain transfer agent was 0.75 parts by mass. Polymer (B)-d.

表1匯整了上述合成例1~14所得到的聚合物之組成(表1中的數值為質量比)。又，表2匯整了上述合成例1~14所得到的聚合物之物性。 [表1]<TABLE border="1" borderColor="#000000" width="85%"><TBODY><tr><td> 聚合物 </td><td> 甲基丙烯酸-4-苯基苄酯 </td><td> 甲基丙烯酸-2-苯基苄酯 </td><td> 甲基丙烯酸-4-苄基苄酯 </td><td> 甲基丙烯酸-4-苯氧基苄酯 </td><td> 甲基丙烯酸-4-(苯基磺醯基)苄酯 </td><td> 甲基丙烯酸苯酯 </td><td> 甲基丙烯酸苄酯 </td><td> 甲基丙烯酸甲酯 </td><td> 丙烯酸甲酯 </td><td> 正辛基硫醇 (n-OM) </td></tr><tr><td> (A)-a </td><td> 97 </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td> 3 </td><td> 0.001 </td></tr><tr><td> (A)-b </td><td> 97 </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td> 3 </td><td> 0.01 </td></tr><tr><td> (A)-c </td><td> 50 </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td> 47 </td><td> 3 </td><td> 0.01 </td></tr><tr><td> (A)-d </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td> 97 </td><td>   </td><td>   </td><td> 3 </td><td> 0.01 </td></tr><tr><td> (A)-e </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td> 97 </td><td>   </td><td> 3 </td><td> 0.01 </td></tr><tr><td> (A)-f </td><td> 45 </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td> 52 </td><td> 3 </td><td> 0.001 </td></tr><tr><td> (A)-g </td><td>   </td><td> 97 </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td> 3 </td><td> 0.001 </td></tr><tr><td> (A)-h </td><td>   </td><td>   </td><td> 97 </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td> 3 </td><td> 0.001 </td></tr><tr><td> (A)-i </td><td>   </td><td>   </td><td>   </td><td> 97 </td><td>   </td><td>   </td><td>   </td><td>   </td><td> 3 </td><td> 0.001 </td></tr><tr><td> (A)-j </td><td>   </td><td>   </td><td>   </td><td>   </td><td> 97 </td><td>   </td><td>   </td><td>   </td><td> 3 </td><td> 0.001 </td></tr><tr><td> (B)-a </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td> 97 </td><td> 3 </td><td> 3.5 </td></tr><tr><td> (B)-b </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td> 97 </td><td> 3 </td><td> 2.5 </td></tr><tr><td> (B)-c </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td> 97 </td><td> 3 </td><td> 1.25 </td></tr><tr><td> (B)-d </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td>   </td><td> 97 </td><td> 3 </td><td> 0.75 </td></tr></TBODY></TABLE> [表2]<TABLE border="1" borderColor="#000000" width="85%"><TBODY><tr><td> 聚合物 </td><td> 數目平均分子量 (Mn) </td><td> 質量平均分子量 (Mw) </td><td> 多分散度 (Mw/Mn) </td></tr><tr><td> (A)-a </td><td> 850,000 </td><td> 1,500,000 </td><td> 1.76 </td></tr><tr><td> (A)-b </td><td> 82,000 </td><td> 150,000 </td><td> 1.83 </td></tr><tr><td> (A)-c </td><td> 81,000 </td><td> 150,000 </td><td> 1.85 </td></tr><tr><td> (A)-d </td><td> 84,000 </td><td> 150,000 </td><td> 1.79 </td></tr><tr><td> (A)-e </td><td> 83,000 </td><td> 150,000 </td><td> 1.81 </td></tr><tr><td> (A)-f </td><td> 860,000 </td><td> 1,560,000 </td><td> 1.81 </td></tr><tr><td> (A)-g </td><td> 890,000 </td><td> 1,640,000 </td><td> 1.84 </td></tr><tr><td> (A)-h </td><td> 910,000 </td><td> 1,690,000 </td><td> 1.86 </td></tr><tr><td> (A)-i </td><td> 920,000 </td><td> 1,590,000 </td><td> 1.73 </td></tr><tr><td> (A)-j </td><td> 860,000 </td><td> 1,490,000 </td><td> 1.73 </td></tr><tr><td> (B)-a </td><td> 4,200 </td><td> 7,500 </td><td> 1.79 </td></tr><tr><td> (B)-b </td><td> 5,600 </td><td> 9,800 </td><td> 1.75 </td></tr><tr><td> (B)-c </td><td> 10,000 </td><td> 18,000 </td><td> 1.80 </td></tr><tr><td> (B)-d </td><td> 19,000 </td><td> 35,000 </td><td> 1.84 </td></tr></TBODY></TABLE>Table 1 summarizes the compositions of the polymers obtained in the above Synthesis Examples 1 to 14 (the values in Table 1 are mass ratios). Further, Table 2 summarizes the physical properties of the polymers obtained in the above Synthesis Examples 1 to 14. [Table 1] <TABLE border="1" borderColor="#000000" width="85%"><TBODY><tr><td> Polymer</td><td> 4-Phenyl methacrylate Benzyl ester</td><td> 2-phenylbenzyl methacrylate</td><td> 4-benzyl benzyl methacrylate</td><td> methacrylic acid-4-benzene Benzyl benzyl ester</td><td> 4-(phenylsulfonyl)benzyl methacrylate</td><td> phenyl methacrylate</td><td> benzyl methacrylate </td><td> methyl methacrylate</td><td> methyl acrylate</td><td> n-octyl mercaptan (n-OM) </td></tr><tr> <td> (A)-a </td><td> 97 </td><td> </td><td> </td><td> </td><td> </td><td > </td><td> </td><td> </td><td> 3 </td><td> 0.001 </td></tr><tr><td> (A)-b </td><td> 97 </td><td> </td><td> </td><td> </td><td> </td><td> </td><td> </td><td> </td><td> 3 </td><td> 0.01 </td></tr><tr><td> (A)-c </td><td> 50 </td><td> </td><td> </td><td> </td><td> </td><td> </td><td> </td><td> 47 </td><td> 3 </td><td> 0.01 </td></tr><tr><td> (A)-d </td><td> </td><td> < /td><td> </td><td> </td><td> </td><td> 97 </td><td> </td><td> </td><td> 3 </td><td> 0.01 </td>< /tr><tr><td> (A)-e </td><td> </td><td> </td><td> </td><td> </td><td> < /td><td> </td><td> 97 </td><td> </td><td> 3 </td><td> 0.01 </td></tr><tr><td > (A)-f </td><td> 45 </td><td> </td><td> </td><td> </td><td> </td><td> < /td><td> </td><td> 52 </td><td> 3 </td><td> 0.001 </td></tr><tr><td> (A)-g < /td><td> </td><td> 97 </td><td> </td><td> </td><td> </td><td> </td><td> < /td><td> </td><td> 3 </td><td> 0.001 </td></tr><tr><td> (A)-h </td><td> </ Td><td> </td><td> 97 </td><td> </td><td> </td><td> </td><td> </td><td> </ Td><td> 3 </td><td> 0.001 </td></tr><tr><td> (A)-i </td><td> </td><td> </td ><td> </td><td> 97 </td><td> </td><td> </td><td> </td><td> </td><td> 3 </ Td><td> 0.001 </td></tr><tr><td> (A)-j </td><td> </td><td> </td><td> </td> <td> </td><td> 97 </td><td> </td><td> </td><td> </td ><td> 3 </td><td> 0.001 </td></tr><tr><td> (B)-a </td><td> </td><td> </td> <td> </td><td> </td><td> </td><td> </td><td> </td><td> 97 </td><td> 3 </td ><td> 3.5 </td></tr><tr><td> (B)-b </td><td> </td><td> </td><td> </td>< Td> </td><td> </td><td> </td><td> </td><td> 97 </td><td> 3 </td><td> 2.5 </td ></tr><tr><td> (B)-c </td><td> </td><td> </td><td> </td><td> </td><td > </td><td> </td><td> </td><td> 97 </td><td> 3 </td><td> 1.25 </td></tr><tr> <td> (B)-d </td><td> </td><td> </td><td> </td><td> </td><td> </td><td> </td><td> </td><td> 97 </td><td> 3 </td><td> 0.75 </td></tr></TBODY></TABLE> [Table 2] <TABLE border="1" borderColor="#000000" width="85%"><TBODY><tr><td> Polymer</td><td> Number average molecular weight (Mn) </ Td><td> mass average molecular weight (Mw) </td><td> polydispersity (Mw/Mn) </td></tr><tr><td> (A)-a </td>< Td> 850,000 </td><td> 1,500,000 </td><td> 1.76 </td></tr><tr><td> (A)-b </td><td> 82,000 </td> <td> 150,000 </td><td> 1.83 </td></tr><tr><td> (A)-c </td><td> 81,000 </td><td> 150,000 </td ><td> 1.85 </td></tr><tr><td> (A)-d </td><td> 84,000 </td><td> 150,000 </td><td> 1.79 </ Td></tr><tr><td> (A)-e </td><td> 83,000 </td><td> 150,000 </td><td> 1.81 </td></tr>< Tr><td> (A)-f </td><td> 860,000 </td><td> 1,560,000 </td><td> 1.81 </td></tr><tr><td> (A )-g </td><td> 890,000 </td><td> 1,640,000 </td><td> 1.84 </td></tr><tr><td> (A)-h </td> <td> 910,000 </td><td> 1,690,000 </td><td> 1.86 </td></tr><tr><td> (A)-i </td><td> 920,000 </td ><td> 1,590,000 </td><td> 1.73 </td></tr><tr><td> (A)-j </td><td> 860,000 </td><td> 1,490,000 </ Td><td> 1.73 </td></tr><tr><td> (B)-a </td><td> 4,200 </ Td><td> 7,500 </td><td> 1.79 </td></tr><tr><td> (B)-b </td><td> 5,600 </td><td> 9,800 < /td><td> 1.75 </td></tr><tr><td> (B)-c </td><td> 10,000 </td><td> 18,000 </td><td> 1.80 </td></tr><tr><td> (B)-d </td><td> 19,000 </td><td> 35,000 </td><td> 1.84 </td></tr ></TBODY></TABLE>

(3)樹脂丸粒之製造 將前述合成例所得到的聚合物(A)、聚合物(B)及作為聚碳酸酯系樹脂之IUPILON(註冊商標)S-3000(三菱工程塑膠公司製，黏度平均分子量：22,000)，以下述表3所示之質量比進行摻合。以滾揉機混合20分鐘後，供給於具備有1通氣孔之日本製鋼所公司製「TEX30HSST」，並以螺桿轉速200rpm、排出量20kg/小時、料筒溫度260℃之條件進行揉合。將擠製成股線狀之熔融樹脂於水槽快速冷卻，並利用造粒機丸粒化而獲得樹脂組成物之丸粒。(3) Production of Resin Pellet The polymer (A), the polymer (B) obtained in the above Synthesis Example, and the IUPILON (registered trademark) S-3000 (Mitsubishi Engineering Plastics Co., Ltd.) as a polycarbonate resin, viscosity The average molecular weight: 22,000) was blended in a mass ratio shown in Table 3 below. After being mixed for 20 minutes by a tumbler, the product was supplied to "TEX30HSST" manufactured by Nippon Steel Works Co., Ltd., which has a vent hole, and kneaded at a screw rotation speed of 200 rpm, a discharge amount of 20 kg/hour, and a cylinder temperature of 260 °C. The molten resin extruded into strands was rapidly cooled in a water tank, and pelletized by a pelletizer to obtain pellets of a resin composition.

(4)成形體的製作 將上述之製造方法所得到的丸粒於100℃乾燥5小時後，利用射出成型機(住友重型機具械工業(股)製「SE100DU」)，使用鋼材模具，以下述之射出溫度、射出速度與模具溫度80℃之條件進行射出成型，獲得50×90×1.5mm厚之平板試驗片。 射出條件I 射出溫度：260℃、射出速度：200mm/sec 射出條件II 射出溫度：300℃、射出速度：200mm/sec 射出條件III 射出溫度：260℃、射出速度：300mm/sec 射出條件IV 射出溫度：300℃、射出速度：300mm/sec(4) Preparation of a molded article The pellets obtained by the above-described production method were dried at 100 ° C for 5 hours, and then an injection molding machine ("SE100DU" manufactured by Sumitomo Heavy Industries, Ltd.) was used, and a steel mold was used. Injection molding was carried out under the conditions of an injection temperature, an injection speed, and a mold temperature of 80 ° C to obtain a flat test piece of 50 × 90 × 1.5 mm thickness. Injection conditions I Injection temperature: 260 ° C, injection speed: 200 mm/sec Injection conditions II Injection temperature: 300 ° C, injection speed: 200 mm / sec Injection conditions III Injection temperature: 260 ° C, injection speed: 300 mm / sec Injection conditions IV Injection temperature : 300 ° C, injection speed: 300 mm / sec

針對各別的平板試驗片，如上所述地測量鉛筆硬度及透明性。其結果如表3所示。 [表3]<TABLE border="1" borderColor="#000000" width="85%"><TBODY><tr><td></td><td> 所使用的聚合物(A)及聚合物(B)及其混合比率 (質量%) </td><td> 樹脂組成物中的摻合量 (質量%) </td><td> 鉛筆硬度 </td><td> 透明性(%) </td></tr><tr><td> (聚合物(A)＋聚合物(B))/聚碳酸酯系樹脂(C) </td><td> 射出條件Ⅰ </td><td> 射出條件Ⅱ </td><td> 射出條件Ⅲ </td><td> 射出條件Ⅳ </td></tr><tr><td> 實施例1 </td><td> (A)-a/(B)-b = 5/95 </td><td> 30/70 </td><td> F </td><td> 0.8 </td><td> 0.9 </td><td> 0.9 </td><td> 1.5 </td></tr><tr><td> 實施例2 </td><td> (A)-a/(B)-b = 20/80 </td><td> 30/70 </td><td> HB </td><td> 0.9 </td><td> 0.9 </td><td> 1.1 </td><td> 1.4 </td></tr><tr><td> 實施例3 </td><td> (A)-a/(B)-b = 5/95 </td><td> 40/60 </td><td> H </td><td> 0.8 </td><td> 1.0 </td><td> 1.1 </td><td> 1.5 </td></tr><tr><td> 實施例4 </td><td> (A)-a/(B)-c = 5/95 </td><td> 30/70 </td><td> F </td><td> 0.9 </td><td> 1.3 </td><td> 1.4 </td><td> 2.0 </td></tr><tr><td> 實施例5 </td><td> (A)-b/(B)-b = 5/95 </td><td> 30/70 </td><td> F </td><td> 1.0 </td><td> 1.5 </td><td> 1.8 </td><td> 2.5 </td></tr><tr><td> 實施例6 </td><td> (A)-c/(B)-b = 5/95 </td><td> 30/70 </td><td> F </td><td> 0.9 </td><td> 1.2 </td><td> 1.3 </td><td> 1.8 </td></tr><tr><td> 實施例7 </td><td> (A)-f/(B)-b = 5/95 </td><td> 30/70 </td><td> F </td><td> 1.0 </td><td> 1.2 </td><td> 1.8 </td><td> 2.6 </td></tr><tr><td> 實施例8 </td><td> (A)-g/(B)-b = 5/95 </td><td> 30/70 </td><td> F </td><td> 0.8 </td><td> 1.1 </td><td> 1.4 </td><td> 1.9 </td></tr><tr><td> 實施例9 </td><td> (A)-h/(B)-b = 5/95 </td><td> 30/70 </td><td> F </td><td> 0.9 </td><td> 1.1 </td><td> 1.3 </td><td> 1.5 </td></tr><tr><td> 實施例10 </td><td> (A)-i/(B)-b = 5/95 </td><td> 30/70 </td><td> F </td><td> 1.0 </td><td> 1.3 </td><td> 1.5 </td><td> 1.9 </td></tr><tr><td> 實施例11 </td><td> (A)-j/(B)-b = 5/95 </td><td> 30/70 </td><td> F </td><td> 0.9 </td><td> 1.1 </td><td> 1.6 </td><td> 1.7 </td></tr><tr><td> 實施例12 </td><td> (A)-a/(B)-a = 5/95 </td><td> 30/70 </td><td> HB </td><td> 0.7 </td><td> 0.7 </td><td> 0.9 </td><td> 1.1 </td></tr><tr><td> 比較例1 </td><td> (A)-a/(B)-d = 5/95 </td><td> 30/70 </td><td> F </td><td> 1.5 </td><td> 6.5 </td><td> 8.3 </td><td> 16.5 </td></tr><tr><td> 比較例2 </td><td> (A)-d/(B)-b = 5/95 </td><td> 30/70 </td><td> F </td><td> 0.9 </td><td> 5.5 </td><td> 9.2 </td><td> 16.0 </td></tr><tr><td> 比較例3 </td><td> (A)-e/(B)-b = 5/95 </td><td> 30/70 </td><td> F </td><td> 1.0 </td><td> 8.0 </td><td> 10.1 </td><td> 17.1 </td></tr></TBODY></TABLE>The pencil hardness and transparency were measured as described above for the respective flat test pieces. The results are shown in Table 3. [Table 3] <TABLE border="1" borderColor="#000000" width="85%"><TBODY><tr><td></td><td> Polymer (A) and polymerization used (B) and its mixing ratio (% by mass) </td><td> the amount of blending in the resin composition (% by mass) </td><td> pencil hardness</td><td> transparency ( %) </td></tr><tr><td> (Polymer (A) + Polymer (B)) / Polycarbonate Resin (C) </td> <td> Injection Condition I </ Td><td> Injection condition II </td><td> Injection condition III </td><td> Injection condition IV </td></tr><tr><td> Example 1 </td>< Td> (A)-a/(B)-b = 5/95 </td><td> 30/70 </td><td> F </td><td> 0.8 </td><td> 0.9 </td><td> 0.9 </td><td> 1.5 </td></tr><tr><td> Example 2 </td><td> (A)-a/(B) -b = 20/80 </td><td> 30/70 </td><td> HB </td><td> 0.9 </td><td> 0.9 </td><td> 1.1 </ Td><td> 1.4 </td></tr><tr><td> Example 3 </td><td> (A)-a/(B)-b = 5/95 </td>< Td> 40/60 </td><td> H </td><td> 0.8 </td><td> 1.0 </td><td> 1.1 </td><td> 1.5 </td>< /tr><tr><td> Example 4 </td><td> (A)-a/(B)-c = 5/95 </td><td> 30/70 </td><td > F </td><td> 0.9 </td><td> 1.3 </td><td> 1.4 </td><td> 2.0 </td></tr><tr><td> Example 5 </td><td> (A)-b/(B)-b = 5/95 </td><td> 30/70 < /td><td> F </td><td> 1.0 </td><td> 1.5 </td><td> 1.8 </td><td> 2.5 </td></tr><tr> <td> Example 6 </td><td> (A)-c/(B)-b = 5/95 </td><td> 30/70 </td><td> F </td> <td> 0.9 </td><td> 1.2 </td><td> 1.3 </td><td> 1.8 </td></tr><tr><td> Example 7 </td>< Td> (A)-f/(B)-b = 5/95 </td><td> 30/70 </td><td> F </td><td> 1.0 </td><td> 1.2 </td><td> 1.8 </td><td> 2.6 </td></tr><tr><td> Example 8 </td><td> (A)-g/(B) -b = 5/95 </td><td> 30/70 </td><td> F </td><td> 0.8 </td><td> 1.1 </td><td> 1.4 </ Td><td> 1.9 </td></tr><tr><td> Example 9 </td><td> (A)-h/(B)-b = 5/95 </td>< Td> 30/70 </td><td> F </td><td> 0.9 </td><td> 1.1 </td><td> 1.3 </td><td> 1.5 </td>< /tr><tr><td> Example 10 </td><td> (A)-i/(B)-b = 5/95 </td><td> 30/70 </td><td > F </td><td> 1.0 </td><td> 1.3 </td><td> 1.5 </td><td> 1.9 </td></tr><tr><td> Example 11 </td><td> (A)-j/(B)-b = 5/95 </td><td> 30/70 </td><td> F </td><td> 0.9 < /td><td> 1.1 </td><td> 1.6 </td><td> 1 .7 </td></tr><tr><td> Example 12 </td><td> (A)-a/(B)-a = 5/95 </td><td> 30/ 70 </td><td> HB </td><td> 0.7 </td><td> 0.7 </td><td> 0.9 </td><td> 1.1 </td></tr>< Tr><td> Comparative Example 1 </td><td> (A)-a/(B)-d = 5/95 </td><td> 30/70 </td><td> F </ Td><td> 1.5 </td><td> 6.5 </td><td> 8.3 </td><td> 16.5 </td></tr><tr><td> Comparative Example 2 </td ><td> (A)-d/(B)-b = 5/95 </td><td> 30/70 </td><td> F </td><td> 0.9 </td>< Td> 5.5 </td><td> 9.2 </td><td> 16.0 </td></tr><tr><td> Comparative Example 3 </td><td> (A)-e/( B)-b = 5/95 </td><td> 30/70 </td><td> F </td><td> 1.0 </td><td> 8.0 </td><td> 10.1 </td><td> 17.1 </td></tr></TBODY></TABLE>

如表3所示，將摻混有聚合物(A)、聚合物(B)及聚碳酸酯系樹脂(C)之實施形態相關之樹脂組成物進行射出成型時(實施例1~12)，其表面硬度高，且即使在射出速度為高速、射出溫度為高溫時，仍具有高透明性。 另一方面，含有(甲基)丙烯酸甲酯單元(b)之聚合物的質量平均分子量超過20,000時(比較例1)，依射出條件其透明性會降低。又，使用含有苯環直接鍵結於酯部分之(甲基)丙烯酸酯單元之聚合物時(比較例2)、或使用含有苯環不直接鍵結於酯部分但具有1個苯環之(甲基)丙烯酸酯單元之聚合物時(比較例3)，依射出條件其透明性會降低。As shown in Table 3, when the resin composition according to the embodiment in which the polymer (A), the polymer (B), and the polycarbonate resin (C) were blended was injection-molded (Examples 1 to 12), The surface hardness is high, and high transparency is obtained even when the injection speed is high and the injection temperature is high. On the other hand, when the mass average molecular weight of the polymer containing the methyl (meth) acrylate unit (b) exceeds 20,000 (Comparative Example 1), the transparency is lowered depending on the ejection conditions. Further, when a polymer containing a (meth) acrylate unit in which a benzene ring is directly bonded to an ester moiety is used (Comparative Example 2), or a benzene ring is not directly bonded to an ester moiety but has a benzene ring ( In the case of the polymer of the methyl acrylate unit (Comparative Example 3), the transparency was lowered depending on the ejection conditions.

雖已說明本發明的某些實施形態，但該等實施形態係作為例子而呈現，並非用來限定發明的範圍。該等新穎之實施形態仍可用其他各種的形態予以實施，可在不脫離發明的要旨之範圍內，實施各種的省略、置換、變更。該等實施形態、或其變形均含於發明之範圍、或要旨，同時含於申請專利範圍所記載之發明及其均等之範圍內。Although certain embodiments of the invention have been described, the embodiments are in The present invention may be embodied in a variety of other forms, and various omissions, substitutions and changes may be made without departing from the scope of the invention. The invention and its modifications are intended to be included within the scope of the invention and the scope of the invention.

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Claims (14)

一種樹脂組成物，含有： 聚合物(A)，含有45質量%以上之下式(1)表示之(甲基)丙烯酸酯單元(a)； 聚合物(B)，含有60質量%以上之(甲基)丙烯酸甲酯單元(b)且質量平均分子量為5,000~20,000；及， 聚碳酸酯系樹脂(C)； [化1](1) 式(1)中， X為單鍵、或選自於由-C(R2 )(R3 )-、-C(=O)-、-O-、-OC(=O)-、-OC(=O)O-、-S-、-SO-、-SO2 -及該等之任意組合構成之群組中之二價基，在此，R2 及R3 各自獨立地為氫原子、碳數1~10之直鏈狀烷基、碳數3~10之分支狀烷基、碳數3~10之環狀烷基、碳數1~10之直鏈狀烷氧基、碳數3~10之分支狀烷氧基、碳數3~10之環狀烷氧基、苯基或苯基苯基；R2 及R3 也可互相連結而和此等所鍵結之碳原子一起形成碳數3~10之環狀烷基； R1 為氫原子或甲基； R4 及R5 各自獨立地為碳數1~10之直鏈狀烷基、碳數3~10之分支狀烷基、碳數3~10之環狀烷基、碳數1~10之直鏈狀烷氧基、碳數3~10之分支狀烷氧基、碳數3~10之環狀烷氧基、鹵素原子、苯基或苯基苯基； m為1~10之整數； p為0~4之整數； q為0~5之整數。A resin composition comprising: a polymer (A) containing 45 mass% or more of the (meth) acrylate unit (a) represented by the formula (1); and a polymer (B) containing 60% by mass or more ( a methyl methacrylate unit (b) having a mass average molecular weight of 5,000 to 20,000; and, a polycarbonate resin (C); (1) In the formula (1), X is a single bond or is selected from -C(R 2 )(R 3 )-, -C(=O)-, -O-, -OC(=O)- a divalent group in the group consisting of -OC(=O)O-, -S-, -SO-, -SO 2 -, and any combination thereof, wherein R 2 and R 3 are each independently a hydrogen atom, a linear alkyl group having 1 to 10 carbon atoms, a branched alkyl group having 3 to 10 carbon atoms, a cyclic alkyl group having 3 to 10 carbon atoms, a linear alkoxy group having 1 to 10 carbon atoms, a branched alkoxy group having 3 to 10 carbon atoms, a cyclic alkoxy group having 3 to 10 carbon atoms, a phenyl group or a phenylphenyl group; and R 2 and R 3 may be bonded to each other and to the carbon bonded thereto The atoms together form a cyclic alkyl group having 3 to 10 carbon atoms; R 1 is a hydrogen atom or a methyl group; and R 4 and R 5 are each independently a linear alkyl group having 1 to 10 carbon atoms and a carbon number of 3 to 10; a branched alkyl group, a cyclic alkyl group having 3 to 10 carbon atoms, a linear alkoxy group having 1 to 10 carbon atoms, a branched alkoxy group having 3 to 10 carbon atoms, and a cyclic alkane having 3 to 10 carbon atoms An oxy group, a halogen atom, a phenyl group or a phenylphenyl group; m is an integer from 1 to 10; p is an integer from 0 to 4; q is an integer from 0 to 5. 如申請專利範圍第1項之樹脂組成物，其中，該聚合物(A)含有50質量%以上之該式(1)表示之(甲基)丙烯酸酯單元(a)。The resin composition of the first aspect of the invention, wherein the polymer (A) contains 50% by mass or more of the (meth) acrylate unit (a) represented by the formula (1). 如申請專利範圍第1或2項之樹脂組成物，其中，該式(1)中，m為1~3之整數。The resin composition according to claim 1 or 2, wherein, in the formula (1), m is an integer of from 1 to 3. 如申請專利範圍第1至3項中任一項之樹脂組成物，其中，該式(1)中，X為單鍵、-C(R2 )(R3 )-、-C(=O)-、-O-、-SO-或-SO2 -。The resin composition according to any one of claims 1 to 3, wherein, in the formula (1), X is a single bond, -C(R 2 )(R 3 )-, -C(=O) -, -O-, -SO- or -SO 2 -. 如申請專利範圍第1至4項中任一項之樹脂組成物，其中，該式(1)中，p及q為0。The resin composition according to any one of claims 1 to 4, wherein, in the formula (1), p and q are 0. 如申請專利範圍第1至5項中任一項之樹脂組成物，其中，該樹脂組成物中，該聚合物(A)與該聚合物(B)之合計含量為5~60質量%，該聚碳酸酯系樹脂(C)之含量為40~95質量%。The resin composition according to any one of claims 1 to 5, wherein a total content of the polymer (A) and the polymer (B) in the resin composition is 5 to 60% by mass. The content of the polycarbonate resin (C) is 40 to 95% by mass. 如申請專利範圍第6項之樹脂組成物，其中，該聚合物(A)與該聚合物(B)之質量比((A)/(B))為0.5/99.5~30/70。The resin composition of claim 6, wherein the mass ratio of the polymer (A) to the polymer (B) ((A)/(B)) is 0.5/99.5 to 30/70. 一種摻混物，包含： 聚合物(A)，含有45質量%以上之下式(1)表示之(甲基)丙烯酸酯單元(a)；及 聚合物(B)，含有60質量%以上之(甲基)丙烯酸甲酯單元(b)，且質量平均分子量為5,000~20,000； [化2](1) 式(1)中， X為單鍵、或選自於由-C(R2 )(R3 )-、-C(=O)-、-O-、-OC(=O)-、-OC(=O)O-、-S-、-SO-、-SO2 -及該等之任意組合構成之群組中之二價基，在此，R2 及R3 各自獨立地為氫原子、碳數1~10之直鏈狀烷基、碳數3~10之分支狀烷基、碳數3~10之環狀烷基、碳數1~10之直鏈狀烷氧基、碳數3~10之分支狀烷氧基、碳數3~10之環狀烷氧基、苯基或苯基苯基；R2 及R3 也可相互連結並和此等所鍵結之碳原子一起形成碳數3~10之環狀烷基； R1 為氫原子或甲基； R4 及R5 各自獨立地為碳數1~10之直鏈狀烷基、碳數3~10之分支狀烷基、碳數3~10之環狀烷基、碳數1~10之直鏈狀烷氧基、碳數3~10之分支狀烷氧基、碳數3~10之環狀烷氧基、鹵素原子、苯基或苯基苯基； m為1~10之整數； p為0~4之整數； q為0~5之整數。A blend comprising: a polymer (A) containing 45 mass% or more of the (meth) acrylate unit (a) represented by the formula (1); and a polymer (B) containing 60% by mass or more Methyl (meth) acrylate unit (b), and having a mass average molecular weight of 5,000 to 20,000; [Chemical 2] (1) In the formula (1), X is a single bond or is selected from -C(R 2 )(R 3 )-, -C(=O)-, -O-, -OC(=O)- a divalent group in the group consisting of -OC(=O)O-, -S-, -SO-, -SO 2 -, and any combination thereof, wherein R 2 and R 3 are each independently a hydrogen atom, a linear alkyl group having 1 to 10 carbon atoms, a branched alkyl group having 3 to 10 carbon atoms, a cyclic alkyl group having 3 to 10 carbon atoms, a linear alkoxy group having 1 to 10 carbon atoms, a branched alkoxy group having 3 to 10 carbon atoms, a cyclic alkoxy group having 3 to 10 carbon atoms, a phenyl group or a phenylphenyl group; and R 2 and R 3 may be bonded to each other and bonded to the carbon form together with the carbon atom number of the cyclic alkyl group having 3 to 10; R & lt 1 is a hydrogen atom or a methyl group; R 4 and R 5 are each independently a straight-chain alkyl group having a carbon number of 1 to 10 carbon atoms of the 3 to 10 a branched alkyl group, a cyclic alkyl group having 3 to 10 carbon atoms, a linear alkoxy group having 1 to 10 carbon atoms, a branched alkoxy group having 3 to 10 carbon atoms, and a cyclic alkane having 3 to 10 carbon atoms An oxy group, a halogen atom, a phenyl group or a phenylphenyl group; m is an integer from 1 to 10; p is an integer from 0 to 4; q is an integer from 0 to 5. 如申請專利範圍第8項之摻混物，其中，該聚合物(A)含有50質量%以上之該式(1)表示之(甲基)丙烯酸酯單元(a)。The blend of the eighth aspect of the invention, wherein the polymer (A) contains 50% by mass or more of the (meth) acrylate unit (a) represented by the formula (1). 如申請專利範圍第8或9項之摻混物，其中，該式(1)中，m為1~3之整數。The blend of claim 8 or 9, wherein in the formula (1), m is an integer of from 1 to 3. 如申請專利範圍第8至10項中任一項之摻混物，其中，該式(1)中，X為單鍵、-C(R2 )(R3 )-、-C(=O)-、-O-、-SO-或-SO2 -。The blend of any one of clauses 8 to 10, wherein, in the formula (1), X is a single bond, -C(R 2 )(R 3 )-, -C(=O) -, -O-, -SO- or -SO 2 -. 如申請專利範圍第8至11項中任一項之摻混物，其中，該式(1)中，p及q為0。The blend of any one of claims 8 to 11, wherein in the formula (1), p and q are 0. 如申請專利範圍第8至12項中任一項之摻混物，其中，該聚合物(A)與該聚合物(B)之質量比((A)/(B))為0.5/99.5~30/70。The blend of any one of claims 8 to 12, wherein the mass ratio of the polymer (A) to the polymer (B) ((A)/(B)) is 0.5/99.5~ 30/70. 一種成形體，係使用如申請專利範圍第1至7項中任一項之樹脂組成物成形而得。A molded body obtained by molding a resin composition according to any one of claims 1 to 7.
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